Scientific American Content: Global
Science news and technology updates from Scientific American
Paleontologists Dig Into a Giant Sloth Boneyard

Ancient drought and unfortunate bathroom habits may have doomed some ice age sloths -- Read more on

Flour, Butter, Science, Eggs: Recipes as Science Communication

Part protocol, part memoir, recipes can bring together the how and why -- Read more on

Microplastics Pollution Is Everywhere. Is It Harmful?

Microplastics are everywhere. They've made their way into our food and water supply. There's no doubt we're ingesting them. Are they harmful? -- Read more on

Do We Possess a Transpersonal Imagination?

Some products of our imaginations seem to spring from sources beyond our everyday selves. -- Read more on

How Gut Microbes Shape Our Response to Drugs

The human microbiome activates some medicines, inactivates others and provokes side effects -- Read more on

Catastrophic Australian Bushfires Derail Research

But scientists see chance to control invasive species and study ecosystem disruption -- Read more on

Earth Had Its Second Warmest Year in Recorded History in 2019

The six warmest years in recorded history have been the past six: 2014–2019 -- Read more on

On Earth: Stardust from 7.5 Billion Years Ago

Deep inside a 1968 meteorite fall are grains from an entirely different cosmic era -- Read more on

My Go-To Arguments for Free Will

Free will must exist if some of us have more of it than others -- Read more on

7 Benefits of Swimming and How to Get Them

Get-Fit Guy takes a deeper dive into some of the more surprising benefits of going for a swim -- Read more on

Readers Respond to the September 2019 Issue

Letters to the editor from the September 2019 issue of Scientific American -- Read more on

Supercomputer Scours Fossil Record for Earth's Hidden Extinctions

Paleontologists have charted 300 million years of Earth’s history in breathtaking detail -- Read more on

To Conserve Marine Species, Make Protected Areas Mobile

Because climate change is shifting ocean ecosystems, sanctuaries need to shift with them, experts argue -- Read more on

This Fish Knows How to Stick Around

The remora clings to other fish—and appears to use an unusual sense of touch to do so. Christopher Intagliata reports. -- Read more on

Is Eating Late Bad for Your Heart?

The American Heart Association suggests that late night eating might increase your risk of heart disease. But how solid is the evidence? -- Read more on

A Vision of Ephemeral Ice

Artist Shoshannah White views the endangered Arctic ice through a unique lens -- Read more on

Kill-Switch for CRISPR Could Make Gene-Editing Safer

Anti-CRISPR proteins could bolster biosecurity and improve medical treatments -- Read more on

Earth's Magnetic Field Is Drastically Revised

Originally published in March 1965 --

The Peril and Power of Following the Evidence

The author, a climate scientist, faced a political controversy along with a personal crisis more than two decades ago, bringing lessons that resonate today -- Read more on

Are Human Body Temperatures Cooling Down?

A new study finds that average temperatures have dropped over the past century and a half -- Read more on

The 2010s Were the Hottest Decade--The 2020s Will Top Them

By the mid-2030s, global temperatures will likely top 1.5 degrees Celsius above preindustrial levels -- Read more on

Does Social Media Cause Depression?

The answer’s not black-and-white --

Poetry: Maria Sibylla Merian, January 1670

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The FCC's Approval of SpaceX's Starlink Mega Constellation May Have Been Unlawful

A new paper suggests that the agency broke U.S. environmental law in its approval of the satellites and that if it was sued in court, it would likely lose -- Read more on

"Birdbrain" Turns from Insult to Praise  

Some avian species use tools and can recognize themselves in the mirror. How do tiny brains pull off such big feats? -- Read more on

Possible Missing Link in Alzheimer's Pathology Identified

It may open the door to new treatments and explain why previous ones failed -- Read more on

A Chameleon City Is Built to Make Movies

Originally published in April 1915 --

Let's Stop Talking About "Battling Cancer"

Describing it that way can be damaging to patients, families and caregivers -- Read more on

Johns Hopkins Scientists Give Psychedelics the Serious Treatment

The first research center of its kind in the country is bringing renewed rigor to the investigation of the drugs’ therapeutic uses -- Read more on

Antarctic Is Ripe for Invasive Species

Mussels and crabs are two of the creatures most likely to invade Antarctica in the next 10 years, a panel of scientists say. Christopher Intagliata reports. -- Read more on

Bacteria-Filled Bricks Build Themselves

The microorganisms transform sand and gelatin into a living construction material -- Read more on

World's First "Living Machine" Created Using Frog Cells and Artificial Intelligence

Scientists used computer algorithms to develop a programmable organism made of frog DNA -- Read more on

The Curious Case of Proxima C

Astronomers continue to gather evidence for a second world around the sun’s nearest neighboring star -- Read more on

Mysterious, Dusty Objects Are Swarming the Milky Way's Core

Swirling around our galaxy’s central supermassive black hole, these objects share properties with both stars and gas clouds -- Read more on

Democratic Candidates Agree on Climate Change, Except for Role of Natural Gas

Whether to allow fracking and the use of natural gas as a transition fuel emerged as a rare point of contention in last night’s debate -- Read more on

Should We Alter the Human Genome? Let Democracy Decide

We need greater scientific and moral clarity on germline editing -- Read more on

Can We Predict Earthquakes At All?

If we can predict hurricanes, floods, and tornados to differing degrees of reliability, why don’t we know when the next big earthquake will come? -- Read more on

Don't Fact-Check Scientific Judgment Calls

They’re not meant to be taken as gospel truths -- Read more on

Glacial Lake Outburst Floods: A New Climate-Related Threat From Above

As the climate changes and glaciers melt, a lesser-known threat lurks in alpine areas: glacial lake outburst floods. These events happen rapidly, releasing huge amounts of water with little or no... -- Read more on

Glacial Lake Outburst Floods: A New Climate-Related Threat from Above

As the climate changes and glaciers melt, a lesser-known threat lurks in alpine areas: glacial lake outburst floods. These events happen rapidly, releasing huge amounts of water with little or no... -- Read more on

Tunnels Would Be Cheaper than Police

Originally published in December 1868 --

Diving Beetles Dramatically Take Down Tadpoles 

Insects have an outsize impact on their vertebrate prey -- Read more on

Will Taal Volcano Explosively Erupt? Here's What Scientists Are Watching

The seismic rumblings of the Philippines’ second most active volcano hold clues to what it might do -- Read more on

Bacteria Helped Plants Evolve to Live on Land

Soil bacteria may have taken residence in early algae species, gifting the algae with the ability to withstand drier conditions on land. Annie Sneed reports. -- Read more on

Astronomers Just Found (Another) Potentially Habitable Exoplanet. What Happens Next?

NASA’s TESS spacecraft identified the unusual world around a red dwarf -- Read more on

Wildfires Could Transform Amazon from Carbon Sink to Source

Rising temperatures and increased deforestation increase the risks for CO2-emitting fires -- Read more on

All of Us Have a Role to Play in Keeping the EPA Accountable

The film Dark Waters highlights the importance of an involved public in environmental protection -- Read more on

People's Body Systems Age at Different Rates

Individuals have an “ageotype” that’s specific to one organ system, which could be targeted in order to extend healthy life -- Read more on

Truly Secure Voting Is on the Way

Unfortunately, it won’t be here by 2020 -- Read more on

Introducing the February 2020 Issue

The mind’s social maps, the mystery of aerodynamic lift, killer robots, and more -- Read more on