Several States, Environmental Groups Vow to Sue Over Car Pollution Rollback

The second part of the Trump administration’s vehicle emissions rule, announced yesterday, lowers fuel efficiency requirements | Continue reading


@scientificamerican.com | 4 years ago

Scientists Fear Second Coronavirus Wave as China's Lockdowns Ease

Other countries on lockdown will be watching for a resurgence of infections in Hubei province now that travel restrictions are lifting | Continue reading


@scientificamerican.com | 4 years ago

Coronavirus Lockdowns Have Changed the Way Earth Moves

A reduction in seismic noise because of changes in human activity is a boon for geoscientists | Continue reading


@scientificamerican.com | 4 years ago

Sleep Apnea Is Different for Women

The risky disorder often follows a different pattern in women that may get overlooked | Continue reading


@scientificamerican.com | 4 years ago

Separating HIIT Fact from Fiction

It’s easy to get lost in the hype around new workout devices or protocols that promise maximal results in minimal time | Continue reading


@scientificamerican.com | 4 years ago

Can We Save the Woodrat without Slaughtering Cats?

In Key Largo, Fla., conservationists and feline lovers figure out how to get along  | Continue reading


@scientificamerican.com | 4 years ago

High Speed Train Sets Record at 66 mph

Originally published in August 1892 | Continue reading


@scientificamerican.com | 4 years ago

How Twitter is Changing Medical Research

From online journal clubs to ‘tweetorials’ to conference updates, social media is changing the dissemination and discussion of biomedicine | Continue reading


@scientificamerican.com | 4 years ago

We Are Here

Continue reading


@scientificamerican.com | 4 years ago

NASA Moon Program and Hubble Telescope Successor Face COVID-19 Delays

Space agencies must balance keeping staff safe and meeting launch deadlines | Continue reading


@scientificamerican.com | 4 years ago

City Birds: Big Brained with Few Offspring or Small-Brained with Lots

To make it in urban areas, birds tend to be either large-brained that produce few offspring or small-brained and extremely fertile. In natural habitats, most birds brains are of average size. | Continue reading


@scientificamerican.com | 4 years ago

City Birds: Big-Brained with Few Offspring or Small-Brained with a Lot

To make it in urban areas, birds tend to be either large-brained and able to produce few offspring or small-brained and extremely fertile. In natural habitats, most birds brains are of average size. | Continue reading


@scientificamerican.com | 4 years ago

Soylent vs. Huel--Can Powdered Meals Replace Food?

Meal replacement products like Soylent and Huel have gained a loyal following. But are these all-in-one powders and shakes really a more optimal way to get your nutrition? | Continue reading


@scientificamerican.com | 4 years ago

A Climate Fluctuation That Could Improve Forecasts Remains a Mystery

The unknown influence of climate change has thrown a wrench into efforts to understand the Madden-Julian Oscillation | Continue reading


@scientificamerican.com | 4 years ago

U.S. Clears More Than 5,000 Outpatient Centers as Makeshift Hospitals in COVID Crisis

Ambulatory surgery centers, normally restricted to day use, can now take non-infected patients from hospitals | Continue reading


@scientificamerican.com | 4 years ago

U.S. Clears More Than 5,000 Outpatient Centers as Makeshift Hospitals in COVID-19 Crisis

Ambulatory surgery centers, normally restricted to day use, can now take noninfected patients from hospitals | Continue reading


@scientificamerican.com | 4 years ago

Color Photography Relies on Potato Starch

Originally published in July 1907 | Continue reading


@scientificamerican.com | 4 years ago

The Most Mercurial Field of All

Ultracold atomic systems are pushing the boundaries of known physics and may even set the stage for quantum computing | Continue reading


@scientificamerican.com | 4 years ago

Undersea Telescopes Scan the Sky from Below

Submarine neutrino detectors will hunt for dark matter, distant star explosions, and more  | Continue reading


@scientificamerican.com | 4 years ago

Coyotes Eat Everything From Fruits to Cats

The diets of coyotes varied widely depending on whether they were living in rural, suburban or urban environments--but pretty much anything is fair game. | Continue reading


@scientificamerican.com | 4 years ago

The Brontosaurus Is Back

Decades after scientists decided that the famed dinosaur never actually existed, new research says the opposite | Continue reading


@scientificamerican.com | 4 years ago

Social Media Posts and Online Searches Hold Vital Clues about Pandemic Spread

Such data offer valuable information and could help track the novel coronavirus—but they risk errors and raise privacy concerns | Continue reading


@scientificamerican.com | 4 years ago

EPA to Ease Pollution Enforcement, Which Could Exacerbate Lung Illnesses

The agency says social distancing rules will limit companies’ abilities to comply with air pollution rules | Continue reading


@scientificamerican.com | 4 years ago

Cooped Up at Home? Help Scientists Spot Penguins from Space or Seek Out Galaxies

Some citizen science projects can be done during quarantine | Continue reading


@scientificamerican.com | 4 years ago

Solar Cells Only Good for Rural Phone Systems

Originally published in June 1954 | Continue reading


@scientificamerican.com | 4 years ago

Female Surgeons Are Treated Terribly

Their male colleagues are the problem when they should be allies | Continue reading


@scientificamerican.com | 4 years ago

Antarctic Fish Is a Blood Doping Champion

To remain active in frigid environments, the bald notothen drastically adjusts oxygen in its blood | Continue reading


@scientificamerican.com | 4 years ago

Tiny Wormlike Creature May Be Our Oldest Known Ancestor

The bilateral organism crawled on the seafloor, taking in organic matter at one end and dumping the remains out the other some 555 million years ago. | Continue reading


@scientificamerican.com | 4 years ago

Science News Briefs from around the Planet

Here are a few brief reports about science and technology from around the planet, including one about the discovery of an intact chicken egg dating to Roman Britain. | Continue reading


@scientificamerican.com | 4 years ago

Could Newly Found "Peacekeeping" Cells Be a Weapon against COVID-19?

In mice, these white blood cells tamp down inflammation in the lungs | Continue reading


@scientificamerican.com | 4 years ago

Scientists Trace Neutron Star Crash That Helped Form Our Solar System

The collision helped seed Earth with its precious metals | Continue reading


@scientificamerican.com | 4 years ago

Flat Earthers: What They Believe and Why

Michael Marshall, project director of the Good Thinking Society in the U.K., talks about flat earth belief and its relationship to conspiracy theories and other antiscience activities. | Continue reading


@scientificamerican.com | 4 years ago

Denser Cities Could Spare Climate but Also Increase Virus Transmission

Though urban living has a smaller carbon footprint, it can make social distancing more difficult | Continue reading


@scientificamerican.com | 4 years ago

Ocean Species Are Shifting toward the Poles

Changes in species abundance can throw food chains out of whack and put livelihoods at risk | Continue reading


@scientificamerican.com | 4 years ago

Firefighter Suit Draws Breathable Air from the Floor

Originally published in July 1857 | Continue reading


@scientificamerican.com | 4 years ago

The Nation Paralyzed by a Pathogen, Deep Cleaners Have Their Day

Turning from bedbugs and carpet-eating moths to COVID-19, an industrial cleaner joins the Coronavirus fight | Continue reading


@scientificamerican.com | 4 years ago

Connecting with Voters in a Time of Social Distancing

Research suggests a powerful way to get out the vote without having to canvas in person | Continue reading


@scientificamerican.com | 4 years ago

Here's How Coronavirus Tests Work--and Who Offers Them

PCR-based tests are being rolled out in hospitals nationwide, and the Food and Drug Administration is fast-tracking novel approaches as well | Continue reading


@scientificamerican.com | 4 years ago

Could Chloroquine Treat Coronavirus?

5 questions answered about a promising yet problematic and unproven use for an antimalarial drug | Continue reading


@scientificamerican.com | 4 years ago

Empathy Machine: Humans Communicate Better after Robots Show Their Vulnerable Side

The behavior of such machines influences how people treat one another | Continue reading


@scientificamerican.com | 4 years ago

Help Researchers Track COVID-19

By entering your health status, even if you're feeling fine, at COVIDNearYou.org, you can help researchers develop a nationwide look at where hotspots of coronavirus are occurring. | Continue reading


@scientificamerican.com | 4 years ago

Milky Way Dark Matter Signals in Doubt after Controversial New Papers

New analyses question whether mysterious gamma-ray and x-ray light in the galaxy actually stems from an invisible mass | Continue reading


@scientificamerican.com | 4 years ago

Shrinking Ozone Hole, Climate Change Are Causing Atmospheric "Tug of War"

The Southern Hemisphere jet stream is shifting, bringing more rain to some spots and less to others | Continue reading


@scientificamerican.com | 4 years ago

Honking Cars Are the Best Warning for Air Raids

Originally published in June 1918 | Continue reading


@scientificamerican.com | 4 years ago

Medical Students Must Learn How Social Factors Affect Health

Part of a physician’s job should be to address not just illness but also its root causes | Continue reading


@scientificamerican.com | 4 years ago

Feeling Cooped Up? Here's How to Stay Healthy, Sharp and Sane

Optimize your time stuck at home with these strategies | Continue reading


@scientificamerican.com | 4 years ago

Coronavirus Vaccines May Not Work for the Elderly--and This Lab Aims to Change That

A team at Boston Children’s Hospital is searching for ways to boost a vaccine’s effectiveness for those who need it most | Continue reading


@scientificamerican.com | 4 years ago

The Effects of COVID-19 Will Ripple through Food Systems

Staple crops are likely to be less affected by measures to control the virus, but farmers growing more specialized ones could feel the pinch | Continue reading


@scientificamerican.com | 4 years ago