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Science News, Articles and Information | Scientific American

Latest news and features on science issues that matter including earth, environment, and space. Get your science news from the most trusted source! Monthly magazine of science. Website includes articles from past issues.



Some Mosquito Repellents Act Like Invisibility Cloaks  

Synthetic repellents like DEET seem to mask the scent of our "human perfume”—making us less obvious targets for mosquitoes. Christopher Intagliata reports.  -- Read more on ScientificAmerican.com

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2019-10-22 00:45:00



Rollback of California Car Rules Will Cause Emissions to Spike  

Lower fuel economy standards and fewer electric vehicles in the state would threaten global climate targets -- Read more on ScientificAmerican.com

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2019-10-21 17:00:00



What Do Machine Learning and Hunter-Gatherer Children Have in Common?  

They acquire knowledge in remarkably similar ways -- Read more on ScientificAmerican.com

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2019-10-21 16:00:00



New Gene-Editing Tool Could Fix Genetic Defects--with Fewer Unwanted Effects  

“Prime editing” can potentially correct almost any type of mutation, but it requires much more testing before clinical use -- Read more on ScientificAmerican.com

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2019-10-21 15:10:00



Molecular Trap Locks Away CO2  

New images reveal carbon dioxide ensnared in metal-organic frameworks -- Read more on ScientificAmerican.com

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2019-10-21 13:00:00



A High-Tech Solution for Rooting Out Counterfeit Goods  

Mobile optical scanners can check the authenticity of an object with unprecedented speed -- Read more on ScientificAmerican.com

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2019-10-21 11:00:00



Congressional Ignorance Leaves the U.S. Vulnerable to Cyberthreats  

Security experts say that lawmakers’ bills fall short of needed protections -- Read more on ScientificAmerican.com

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2019-10-21 10:45:00



Hilbert Walked so the Clay Mathematics Institute Could Run  

The problems shaping modern mathematics -- Read more on ScientificAmerican.com

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2019-10-20 19:00:00



How Harold Bloom, the Late Literary Critic, Helped Me Write The End of Science  

Bloom’s book The Anxiety of Influence helped a science writer understand the plight of modern scientists trying to surpass their predecessors -- Read more on ScientificAmerican.com

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2019-10-20 16:00:00



Readers Respond to the June 2019 Issue  

Letters to the editor from the June 2019 issue of Scientific American -- Read more on ScientificAmerican.com

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2019-10-20 13:00:00



How a Tiny Pit Decides a Pine Tree's Fate  

Live fast, die young and leave a good lookin’ stump -- Read more on ScientificAmerican.com

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2019-10-20 13:00:00



Aerogel Mars  

A novel idea for the local terraforming of Mars raises interesting possibilities -- Read more on ScientificAmerican.com

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2019-10-19 19:00:00



How Can We Curb the Spread of Scientific Racism?  

A new book examines the insidious effects of scientific investigations into race -- Read more on ScientificAmerican.com

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2019-10-19 16:00:00



Recommended Books, October 2019  

50 things to see in the night sky, untold stories of mathematical Americans, and more -- Read more on ScientificAmerican.com

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2019-10-19 13:00:00



Canada Gets Its First Smilodon  

Fossils found near Medicine Hat, Alberta, expand the saber-tooth cat’s range by more than 600 miles -- Read more on ScientificAmerican.com

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2019-10-19 13:00:00



Russian "CRISPR-Baby" Scientist Has Started Editing Genes in Human Eggs with the Goal of Altering Deaf Gene  

Denis Rebrikov says that he does not plan to implant gene-edited embryos until he gets regulatory approval -- Read more on ScientificAmerican.com

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2019-10-19 12:00:00



Momentum Builds for Hydrogen Fuel in Japan, Australia  

Lowered costs and the availability of renewable energy to produce hydrogen are raising interest in the fuel source -- Read more on ScientificAmerican.com

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2019-10-18 16:30:00



What Is Death, Exactly?  

Even in a hospital setting, the answer is far from straightforward -- Read more on ScientificAmerican.com

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2019-10-18 16:00:00



Can Love Actually Last?  

Dr. Ellen Hendriksen looks at the many permutations of love, including everlasting love, which, it turns out, doesn’t just happen in fairytales -- Read more on ScientificAmerican.com

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2019-10-18 13:30:00



China Needs Stronger Ethical Safeguards in Biomedicine  

As the country seeks to become a research powerhouse, it must rectify worrisome practices -- Read more on ScientificAmerican.com

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2019-10-18 13:00:00



What You Can't See   

Although much of the U.S. enjoys cleaner air than in previous decades, we still have work to do -- Read more on ScientificAmerican.com

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2019-10-18 11:00:00



Molecules in Blood Spike Hours before Seizures  

Researchers measured a predictive increase in transfer RNA in people with epilepsy -- Read more on ScientificAmerican.com

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2019-10-18 10:45:00



Your Skull Shapes Your Hearing  

The resonant properties of your skull can amplify some frequencies and dampen others--and in some cases, affect your hearing. Christopher Intagliata reports.  -- Read more on ScientificAmerican.com

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2019-10-18 03:15:00



Olympics Marathon Moved Out of Tokyo Over Heat Concerns  

Longer and hotter summer heat waves in the city pushed organizers to move the race to a cooler region of Japan -- Read more on ScientificAmerican.com

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2019-10-17 18:15:00



Olympic Marathon Moved out of Tokyo over Heat Concerns  

Longer and hotter summer heat waves in the city pushed organizers to move the race to a cooler region of Japan -- Read more on ScientificAmerican.com

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2019-10-17 18:15:00



Jim Peebles Richly Deserved his Nobel Prize  

Even though, according to Alfred Nobel, he didn't technically qualify -- Read more on ScientificAmerican.com

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2019-10-17 18:00:00



We Have No Reason to Believe 5G is Safe  

The technology is coming, but contrary to what some people say, there could be health risks -- Read more on ScientificAmerican.com

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2019-10-17 16:00:00



NASA Just Unveiled the Spacesuit to be Worn by First Woman on the Moon  

Meet the xEMU spacesuit, and a new suit for the Orion spacecraft, too -- Read more on ScientificAmerican.com

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2019-10-17 14:00:00



NASA Just Unveiled the Space Suit to be Worn by the First Woman on the Moon  

Meet the xEMU space suit—and a new suit for the Orion spacecraft, too -- Read more on ScientificAmerican.com

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2019-10-17 14:00:00



The U.S. Should Tighten Vaccination Mandates  

Existing religious and philosophical exemptions endanger public health -- Read more on ScientificAmerican.com

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2019-10-17 13:30:00



SpaceX's Starlink Constellation Could Swell by 30,000 More Satellites  

The company’s constellation could eventually consist of 42,000 spacecraft -- Read more on ScientificAmerican.com

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2019-10-17 13:00:00



Doctors Should Care for Patients and Social Justice  

Medical students must be taught to address systemic problems that contribute to poor health -- Read more on ScientificAmerican.com

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2019-10-17 11:00:00



The Color of Noise: What Do Hues Have to Do with Sound?  

--> You have probably already heard, or at least heard of, white noise. Maybe you grew up when televisions were still analog. If so, you might remember the shhh that accompanied “snow”... -- Read more on ScientificAmerican.com

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2019-10-17 10:45:00



Why Do Some People Need Less Sleep? It's in Their DNA  

U.C.S.F. researchers find a gene for flourishing with less shut-eye -- Read more on ScientificAmerican.com

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2019-10-16 18:30:00



Extreme Snows in Greenland Caused Ecosystem's "Reproductive Collapse"  

Delayed plant flowering and nesting meant some Arctic animals’ offspring likely did not survive the winter -- Read more on ScientificAmerican.com

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2019-10-16 18:15:00



Happier Babies Have an Edge  

They’re more likely to have higher childhood IQs and to graduate college -- Read more on ScientificAmerican.com

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2019-10-16 16:00:00



Vaginal Fluid Transplants Hold Promise but Raise Safety Concerns  

A small study tested the approach for treating a common bacterial infection by restoring a healthy microbiome -- Read more on ScientificAmerican.com

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2019-10-16 15:45:00



Tardigrade Protein Protects DNA from Chemical Attack  

The Dsup protein protects DNA under conditions that create caustic free radical chemicals. -- Read more on ScientificAmerican.com

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2019-10-16 15:39:00



We're Sorry, Vera Rubin  

The rarity of science Nobels for women is an ongoing scandal -- Read more on ScientificAmerican.com

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2019-10-16 13:00:00



More Grazing Leads to Fewer Fires in the Serengeti  

Beneficial blazes are critical to maintaining the Serengeti-Mara ecosystem, but animals are eating the fuel -- Read more on ScientificAmerican.com

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2019-10-16 13:00:00



The Exquisite Precision of Time Crystals  

Exotic new states of matter contain patterns that repeat like clockwork -- Read more on ScientificAmerican.com

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2019-10-16 12:00:00



Is Moral Relativism Really a Problem?  

Psychological research suggests it is not -- Read more on ScientificAmerican.com

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2019-10-16 11:00:00



Trump's Border Wall Could Cause Flooding in Texas  

Planned barriers along the Rio Grande could trap debris and send floodwaters into nearby communities -- Read more on ScientificAmerican.com

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2019-10-16 10:45:00



'Marsquakes' Could Reveal How Mars Was Built  

Rumblings on the Red Planet act like x-rays, allowing scientists to probe the hidden interior of Mars. Christopher Intagliata reports.  -- Read more on ScientificAmerican.com

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2019-10-15 23:15:00



"Mars-quakes" Could Reveal How Mars Was Built  

Rumblings on the Red Planet act like x-rays, allowing scientists to probe the hidden interior of Mars. Christopher Intagliata reports.  -- Read more on ScientificAmerican.com

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2019-10-15 23:15:00



To Encourage Climate Action, Talk Up the Benefits of Adaptation  

Rather than emphasizing the harm climate change will cause, promoting the economic benefits of mitigation does more to spur public action -- Read more on ScientificAmerican.com

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2019-10-15 17:30:00



Introducing the November 2019 Issue  

Time crystals, trickle-up economics, songbird diversity, and more -- Read more on ScientificAmerican.com

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2019-10-15 17:15:00



The Struggle to Save Heirloom Rice in India  

Long-forgotten varieties of the staple crop can survive flood, drought and other calamities. The challenge is bringing them back -- Read more on ScientificAmerican.com

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2019-10-15 17:00:00



Vaping-Related Illness Has a New Name: EVALI  

The U.S. Centers for Disease Control and Prevention noted the name in new guidance on the illness, which has sickened nearly 1,300 people across 49 states -- Read more on ScientificAmerican.com

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2019-10-15 16:30:00



Are Antibiotics Damaging Your Family's Health?  

The CDC calls their misuse "one of the most serious public health problems in the United States" -- Read more on ScientificAmerican.com

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2019-10-15 16:00:00



Latitude Adjustment: Distance from the Equator Shapes Our Thinking  

Climate differences are associated with varying happiness, individualism and aggressiveness -- Read more on ScientificAmerican.com

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2019-10-15 15:00:00



Comparing Beauty in Math and Art  

People pair mathematical proofs with paintings and pieces of music similarly -- Read more on ScientificAmerican.com

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2019-10-15 13:00:00



Our Food Systems Are in Crisis  

It’s not just from climate change -- Read more on ScientificAmerican.com

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2019-10-15 11:00:00



Ship Freezes Itself in Arctic Ice to Study Climate Change  

Researchers trapped in the central Arctic Ocean for a year prepare to unlock secrets of the region’s changing climate -- Read more on ScientificAmerican.com

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2019-10-15 10:45:00



Living with Disease-Carrying Mosquitoes  

Thailand’s is trying to communicate the risk through museum exhibitions -- Read more on ScientificAmerican.com

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2019-10-14 16:00:00



What a Koala Virus Tells Us About the Human Genome  

A study illuminates how genes defend against viral invasions -- Read more on ScientificAmerican.com

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2019-10-14 13:00:00



The Darkest Side of Fossil Fuel Extraction  

It leads to violence against and trafficking of Native women -- Read more on ScientificAmerican.com

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2019-10-14 11:00:00



National Governments Can't Solve Climate Change Alone  

Cities, regions and businesses are also crucial players -- Read more on ScientificAmerican.com

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2019-10-13 19:00:00



How Can We Reverse the Decline in Breast Cancer Screening?  

Making it more convenient and less painful would be a great start -- Read more on ScientificAmerican.com

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2019-10-13 16:00:00



Aviation Is on a Low-Carbon Flight Path  

Buy offsets if you want, but for real hope, look to electric planes -- Read more on ScientificAmerican.com

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2019-10-13 13:00:00



Five Myths about Energy Poverty  

Thinking too small is unintentionally condemning millions to a lack of prosperity -- Read more on ScientificAmerican.com

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2019-10-13 13:00:00



Indigenous Knowledge Can Help Solve the Biodiversity Crisis  

People who live off the land depend on keeping ecosystems intact, and scientists are tapping into their unique expertise -- Read more on ScientificAmerican.com

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2019-10-12 19:00:00



A Well-Deserved Physics Nobel  

Jim Peebles’ award honors modern cosmological theory at last -- Read more on ScientificAmerican.com

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2019-10-12 16:00:00



50, 100 & 150 Years Ago: October 2019  

Eating arsenic, what to do in case of fire, bubble computers, and more -- Read more on ScientificAmerican.com

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2019-10-12 13:00:00



The Executive Branch Must Stop Suppressing Science  

Just about everything we do in society depends in part on research by the federal government. Congress can and must protect scientific integrity with legislation -- Read more on ScientificAmerican.com

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2019-10-12 13:00:00



Ancient Teeth Reveal Social Stratification Dates Back to Bronze Age Societies  

Humans have a history of status division stretching back at least 4,000 years -- Read more on ScientificAmerican.com

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2019-10-11 18:45:00



Ice Sheets Are Eroded by "Upside-down Rivers"  

Warm ocean waters cut deep channels in the ice that exacerbate melting and sea level rise -- Read more on ScientificAmerican.com

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2019-10-11 18:15:00



Massive California Power Outage Triggers Chaos in Science Labs  

Researchers without access to backup power scramble to save invaluable specimens and expensive reagents -- Read more on ScientificAmerican.com

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2019-10-11 16:30:00



How Mere Humans Manage to Comprehend the Vastness of the Universe  

Peering into the unknown requires us to recognize our own mental blind spots -- Read more on ScientificAmerican.com

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2019-10-11 16:00:00



Mini Gravitational-Wave Detector Could Probe Dark Matter  

A miniature gravitational wave detector under development would measure higher-frequency waves than LIGO -- Read more on ScientificAmerican.com

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2019-10-11 10:45:00



Artificial Intelligence Learns to Talk Back to Bigots  

Algorithms are already used to remove online hate speech. Now scientists have taught AI to respond—which they hope might spark more discourse. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

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2019-10-10 23:50:00



It's Lights Out in California to Deal With Climate Risks  

An intentional blackout was aimed at keeping power equipment from sparking a wildfire -- Read more on ScientificAmerican.com

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2019-10-10 19:00:00



Sleep Deprivation Shuts Down Production of Essential Brain Proteins  

A deficit arises in molecules needed for neurons to communicate efficiently -- Read more on ScientificAmerican.com

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2019-10-10 18:35:00



I'm Convinced We Found Evidence of Life on Mars in the 1970s  

The Labeled Release experiment on the Viking mission reported positive results, although most have dismissed them as inorganic chemical reactions -- Read more on ScientificAmerican.com

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2019-10-10 16:00:00



The Fearful Mind  

Fear is a hardwired response, but it doesn’t have to rule our emotions -- Read more on ScientificAmerican.com

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2019-10-10 13:15:00



Making Sense of Modern Cosmology  

Confused by all those theories? Good -- Read more on ScientificAmerican.com

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2019-10-10 12:15:00



It's Time for a World without Gender  

Let’s treat people based on who they are rather than on the form of their genitals -- Read more on ScientificAmerican.com

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2019-10-10 11:00:00



Hidden Passage: Could We Spy a Traversable Wormhole in the Milky Way's Heart?  

Anomalous motions of stars orbiting our galaxy’s central supermassive black hole might reveal the existence of long-hypothesized tunnels through spacetime -- Read more on ScientificAmerican.com

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2019-10-10 10:45:00



Lithium-Ion Battery Creators Win Chemistry Nobel Prize  

John B. Goodenough, M. Stanley Whittingham and Akira Yoshino share the 2019 Chemistry Nobel Prize for the development of lithium-ion batteries that have led to portable electronic devices that are... -- Read more on ScientificAmerican.com

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2019-10-10 01:46:00



As Trump Administration Downplays Warming, Agencies Chronicle Climate Impacts  

Environmental reviews emphasize the relatively small contributions from individual infrastructure projects, ignoring the bigger picture -- Read more on ScientificAmerican.com

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2019-10-09 19:30:00



Why Machine Learning Is Critical for Disaster Response  

It can help decision makers answer questions like "when?" and "how bad?" and "how many people are in harm's way?" -- Read more on ScientificAmerican.com

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2019-10-09 16:00:00



A Note to the Nobel Prize Selection Committee  

Howard Temin was an ideal role model for scientists; the Prizes can encourage them to follow his example -- Read more on ScientificAmerican.com

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2019-10-09 13:00:00



High-Energy Award: Lithium Batteries Win 2019 Nobel Prize in Chemistry  

The power packs drive mobile phones, laptops, electric cars and solar panels -- Read more on ScientificAmerican.com

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2019-10-09 12:00:00



Mother Earth Doesn't Like to Be Naked  

Harvesting almonds is easier on bare dirt—but the soil itself is happier when clothed -- Read more on ScientificAmerican.com

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2019-10-09 11:00:00



Nobel in Chemistry for Lightweight Rechargeable Batteries  

The 2019 Nobel Prize in Chemistry goes to John Goodenough, M. Stanley Whittingham and Akira Yoshino for the development of lithium-ion batteries. -- Read more on ScientificAmerican.com

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2019-10-09 10:45:00



Quiet Disadvantage: Study Finds Extroverts Are Happier--Even When They're Really Introverts  

A new study suggests a dose of “acting extroverted” could boost your mood—but some researchers caution there is a cost to acting against type -- Read more on ScientificAmerican.com

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2019-10-09 10:45:00



The Evolution of the Universe  

Some 15 billion years ago the universe emerged from a hot, dense sea of matter and energy. As the cosmos expanded and cooled, it spawned galaxies, stars, planets and life -- Read more on ScientificAmerican.com

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2019-10-08 19:00:00



Cell Phone Service Must Be Restored Quicker after Hurricanes  

Officials pressure wireless companies so first responders and residents can communicate and save lives -- Read more on ScientificAmerican.com

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2019-10-08 17:00:00



Science Is Not About Getting More "Likes"  

Extraordinary groupthink leads to extraordinary ignorance -- Read more on ScientificAmerican.com

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2019-10-08 16:00:00



Play May Be a Deeper Part of Human Nature Than We Thought  

An animal study brings us closer to understanding our own behavior -- Read more on ScientificAmerican.com

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2019-10-08 15:15:00



Giant Molecules Exist in Two Places at Once in Unprecedented Quantum Experiment  

The new study demonstrates a bizarre quantum effect at never-before-seen scales -- Read more on ScientificAmerican.com

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2019-10-08 13:30:00



Is Death Reversible?  

An experiment that partially revived slaughterhouse pig brains raises questions about the precise end point of life -- Read more on ScientificAmerican.com

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2019-10-08 13:00:00



Nobel in Physics for Exoplanets and Cosmology  

The 2019 Nobel Prize in Physics goes to James Peebles “for theoretical discoveries in physical cosmology” and to Michel Mayor and Didier Queloz “for the discovery of an exoplanet... -- Read more on ScientificAmerican.com

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2019-10-08 12:31:00



String Theory Does Not Win a Nobel, and I Win a Bet  

Science writer John Horgan wins a 2002 bet with physicist Michio Kaku that by 2020 no unified theory of physics will win a Nobel Prize -- Read more on ScientificAmerican.com

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2019-10-08 11:23:00



Cosmology and Exoplanets Win 2019 Nobel Prize in Physics  

James Peebles, who helped found the field of cosmology, shares the prize with Michel Mayor and Didier Queloz, discoverers of the first exoplanet around another sunlike star -- Read more on ScientificAmerican.com

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2019-10-08 11:20:00



Nature's Headbangers  

How the surprisingly intricate drumming of woodpeckers evolved -- Read more on ScientificAmerican.com

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2019-10-08 11:00:00



New Encryption System Protects Data from Quantum Computers  

As quantum computing creeps closer, IBM successfully demonstrates a way to secure sensitive information -- Read more on ScientificAmerican.com

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2019-10-08 10:45:00



How Cells Sense Oxygen Levels: Nobel Prize in Physiology or Medicine  

William Kaelin, Sir Peter Ratcliffe and Gregg Semenza share the 2019 Nobel Prize for their discoveries of how cells sense and adapt to oxygen availability. New therapies for cancer and conditions... -- Read more on ScientificAmerican.com

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2019-10-08 00:11:00



The Complexity of Napoleon Chagnon, Anthropology's Lightning Rod  

Unpublished excerpts from a 2000 interview capture one of the most controversial figures in modern science -- Read more on ScientificAmerican.com

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2019-10-07 16:00:00



Coastal City Refuses to Retreat  

A major showdown looms over how aggressively California cities will confront sea level rise -- Read more on ScientificAmerican.com

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2019-10-07 15:00:00





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