C-Section Babies Are Missing Key Microbes

UK study provides the best evidence yet that the way infants are born can alter their microbiomes—but the health effects are unclear | Continue reading

@scientificamerican.com | 2 hours ago

How Extreme Weather Threatens People with Disabilities

Those with disabilities can experience more physical impacts and can be more socially isolated than the able-bodied | Continue reading

@scientificamerican.com | 5 hours ago

Is There a Link Between Creativity and Addiction?

Addiction starts with genetics and the environment, but is triggered by stress | Continue reading

@scientificamerican.com | 6 hours ago

California Promises to Fight EPA Plan on Car Standards

The Trump Administration has said it will revoke the state’s ability to set its own air pollution limits | Continue reading

@scientificamerican.com | 7 hours ago

Early Butchers Used Small Stone Scalpels

Homo erectus used hand axes to butcher elephants and other game. But a new study suggests they also used finer, more sophisticated blades. Christopher Intagliata reports. | Continue reading

@scientificamerican.com | 7 hours ago

Frogs Make Their Homes in Elephant Footprints

The massive herbivores shape the environment for living creatures around them—including some of the smallest animals  | Continue reading

@scientificamerican.com | 9 hours ago

A Nobel Economist Cites Growth as Innovation

Paul Romer, an expert in what’s known as endogenous growth theory and winner of the 2018 Nobel prize in economics, speaks to Scientific American about seeing economic growth as increased value, akin to when ingredients in a recipe are used to create a dish worth m … | Continue reading

@scientificamerican.com | 10 hours ago

Deforestation Intensifies Warming in the Amazon Rain Forest

Slash-and-burn farming may actually harm local crops as a result of increased temperatures | Continue reading

@scientificamerican.com | 11 hours ago

Saturn's Rings May Be Ancient After All

Against earlier studies estimating an age of just 100 million years, new research suggests the planet’s rings could be as old as the solar system itself | Continue reading

@scientificamerican.com | 1 day ago

The Silenced: Meet the Climate Whistleblowers Muzzled by the Trump Administration

Six whistleblowers and ex-government scientists describe how the Trump administration made them bury climate science—and why they won’t stay quiet | Continue reading

@scientificamerican.com | 1 day ago

A New Kind of Climate Leadership

Climate change is an opportunity to envision a new world—but in whose image? | Continue reading

@scientificamerican.com | 1 day ago

A Newly Identified Protein May Be the Key to Vanquishing the Common Cold

Inactivating this protein in human cells and mice provided immunity to a range of viruses, but an effective treatment is still a long way off | Continue reading

@scientificamerican.com | 1 day ago

Hunt for the Cause of a Mysterious Vaping Illness Suggests Multiple Mechanisms of Damage

The leading hypothesis for the lung problems that have killed half a dozen people does not fit with all presentations of the illness | Continue reading

@scientificamerican.com | 1 day ago

Kids Are Not Hurt by Screen Time

A study finds no deleterious effects on mental health when kids spend their leisure time texting and engaging in other online activities. | Continue reading

@scientificamerican.com | 1 day ago

Floodwaters Diverted from New Orleans Killed Off Marine Life

Water from the swollen Mississippi River fueled algae blooms and reduced salinity in the Gulf of Mexico | Continue reading

@scientificamerican.com | 1 day ago

Mapping HIV Prevalence in Sub-Saharan Africa  

Having more localized data on infection rates within countries could help health authorities better target treatment  | Continue reading

@scientificamerican.com | 1 day ago

Microplastics in Fresh Water Mostly Laundry Lint

Microplastic particles are everywhere, but in freshwater systems 60 percent of particles are clothing lint from laundry. | Continue reading

@scientificamerican.com | 1 day ago

Pterosaurs Were Monsters of the Mesozoic Skies

Fossils and mathematical modeling are helping to answer long-standing questions about these bizarre animals  | Continue reading

@scientificamerican.com | 1 day ago

Dragon Up

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@scientificamerican.com | 1 day ago

Marooned: Researchers Will Freeze Their Ship into Arctic Ocean Ice for a Year

Scientists setting sail to the North Pole will become stranded in slowly migrating sea ice to investigate climate change | Continue reading

@scientificamerican.com | 1 day ago

Drilling Could Cause Extinctions in Alaskan Refuge, Government Plan Says

Oil and gas development could exacerbate the impacts to species in the rapidly warming Arctic National Wildlife Refuge | Continue reading

@scientificamerican.com | 2 days ago

Kids Not Hurt By Screentime

A study finds no deleterious effects on mental health when kids spend their leisure time texting and engaging in other online activities. | Continue reading

@scientificamerican.com | 2 days ago

Climate Change Is Having Widespread Health Impacts

Children, pregnant people and the elderly are the most at risk from extreme weather and heat—but the impact is already felt across every specialty of medicine | Continue reading

@scientificamerican.com | 2 days ago

Rock Climbing, Climate Science and Leadership

In situations where lives are at stake, you need to be rigorously honest with yourself and with others—not take out your Sharpie to distort the truth | Continue reading

@scientificamerican.com | 2 days ago

Apple's Amazing New Screen

It will revamp our ideas of what a display can do | Continue reading

@scientificamerican.com | 2 days ago

Drenchable Drones, Prickly Cells and Face-Tracked Chimps: Science GIFs to Start Your Week

Enjoy and loop on | Continue reading

@scientificamerican.com | 2 days ago

New Proof Solves 80-Year-Old Irrational Number Problem

Mathematicians have finally proved a conjecture on approximating numbers with fractions | Continue reading

@scientificamerican.com | 2 days ago

Strange but True: Cats Cannot Taste Sweets (2007)

There is a reason cats prefer meaty wet food to dry kibble, and disdain sugar entirely | Continue reading

@scientificamerican.com | 3 days ago

Readers Respond to the May 2019 Issue

Letters to the editor from the May 2019 issue of Scientific American | Continue reading

@scientificamerican.com | 4 days ago

Records Found in Dusty Basement Undermine Decades of Dietary Advice

Raw data from a 40-year-old study raises new questions about fats | Continue reading

@scientificamerican.com | 4 days ago

Super Wood (2018)

Simple processes can make wood tough, impact-resistant—or even transparent   | Continue reading

@scientificamerican.com | 5 days ago

A Second Interstellar Object May Be Streaking through Our Solar System

The “fluke” find of a  possible visitor from another star after the 2017 discovery of ‘Oumuamua offers thrilling scientific opportunities | Continue reading

@scientificamerican.com | 5 days ago

Lab-Grown Human Minibrains Show Brainy Activity

As the little structures grow, their constituents specialize into different types of brain cells, begin to form connections and emit brain waves. They could be useful models for development and neurological conditions. | Continue reading

@scientificamerican.com | 5 days ago

The History of Opium, Facing Up to Quantum Mechanics and Other New Science Books

Book recommendations from the editors of Scientific American  | Continue reading

@scientificamerican.com | 5 days ago

Why Amazon Trees Are Especially Vulnerable to This Year's Fires

Even trees that look as if they survived will die in the coming years, because they did not evolve fire-resistant features | Continue reading

@scientificamerican.com | 5 days ago

Eavesdropping Puts Anxious Squirrels at Ease

Squirrels constantly scan their surroundings for hawks, owls and other predators. But they also surveil for threats by eavesdropping on bird chatter. Christopher Intagliata reports.  | Continue reading

@scientificamerican.com | 5 days ago

Migrating Birds May Be Collateral Damage for a Popular Pesticide

Neonicotinoids may be partly responsible for declines in songbird populations | Continue reading

@scientificamerican.com | 6 days ago

Rising Emissions Overshadow Airlines' Fuel Efficiency Gains

New mandates from aviation authorities will not go far enough to reduce greenhouse gases, experts say | Continue reading

@scientificamerican.com | 6 days ago

Fight or Flight May Be In Our Bones

A protein released from bone is involved in triggering the body’s reaction to stress | Continue reading

@scientificamerican.com | 6 days ago

Consumer DNA Tests Negate Sperm Bank Donor Anonymity

Companies like 23andMe and Ancestry.com have made it impossible for sperm banks to keep donors’ identities secret | Continue reading

@scientificamerican.com | 6 days ago

The Perks of Being Outdoors Backed Up By Science

The cover story of our latest issue of Scientific American Health & Medicine explores this sweeping new study | Continue reading

@scientificamerican.com | 6 days ago

Even If We Knew Everything That Can Be Known, We Wouldn't Know It All  

Beyond the unknown unknowns is what's unknowable | Continue reading

@scientificamerican.com | 6 days ago

The Gravitational-Wave "Revolution" Is Underway

As the fourth anniversary of the first detection approaches, the field continues to mature—with a bright future ahead | Continue reading

@scientificamerican.com | 6 days ago

Earth's Magnetic Field Initiates Pole Flip Many Millennia Before The Switch

Lava flow records and sedimentary and Antarctic ice core data show evidence of planetary magnetic field activity 20,000 years before the beginning of the last pole reversal. | Continue reading

@scientificamerican.com | 6 days ago

Scientists Concerned Over U.S. Environment Agency's Plan to Limit Animal Research

Critics say the shift away from using animals in safety tests will hamper chemical research and regulations | Continue reading

@scientificamerican.com | 7 days ago

Giant "Bubbles" Spotted Around Milky Way's Black Hole

First major result from South Africa’s pioneering MeerKAT radio telescope reveals remnants of energetic explosions at Galaxy’s center | Continue reading

@scientificamerican.com | 7 days ago

U.S. Could Lose Clean Energy Race, Lawmakers Are Warned

Experts push for policies to fight climate change and encourage clean energy production | Continue reading

@scientificamerican.com | 7 days ago

Astronomers Find Water on an Exoplanet Twice the Size of Earth

Water vapor in the skies of the world K2-18 b may make it “the best candidate for habitability” presently known beyond our solar system | Continue reading

@scientificamerican.com | 7 days ago