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Public Health

Masks Protect Schoolkids from COVID despite What Antiscience Politicians Claim

Marla Broadfoot

Animals

How to Help Your Dog Adapt to a Postpandemic World

Katie Weeman

Mathematics

Infinity Category Theory Offers a Bird’s-Eye View of Mathematics

Emily Riehl

A New Nurse Struggles to Save Patients in a New COVID Surge

Cases peaked, then fell, then rose again. “It is so much worse this time”

Kathryn Ivey | Opinion

Public Health

Masks Protect Schoolkids from COVID despite What Antiscience Politicians Claim

Marla Broadfoot

Animals

How to Help Your Dog Adapt to a Postpandemic World

Katie Weeman

Mathematics

Infinity Category Theory Offers a Bird’s-Eye View of Mathematics

Emily Riehl

Extraterrestrial Life

Extraterrestrial Life

Astronomers Should be Willing to Look Closer at Weird Objects in the Sky

Avi Loeb | Opinion

Medicine

How Music Can Literally Heal the Heart

Elaine Chew, Psyche Loui, Grace Leslie, Caroline Palmer, Jonathan Berger, Edward W. Large, Nicolò F. Bernardi, Suzanne Hanser, Julian F. Thayer, Michael A. Casey and Pier D. Lambiase | Opinion

Policy

Readers Respond to the May 2021 Issue

Climate Change

Scientists Flood Forests to Mimic Rising Seas

Sara Schonhardt and E&E News

Vaccines

Third COVID Vaccine Shot Boosts Protection in Israeli Study

Max Kozlov and Nature magazine

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Most Popular

Sometimes Mindlessness Is Better Than Mindfulness

In some situations, don’t pay so much attention

Alexander P. Burgoyne and David Z. Hambrick

Masks Protect Schoolkids from COVID despite What Antiscience Politicians Claim

Florida governor Ron DeSantis and politicians in Texas say research does not support mask mandates. Many studies show they are wrong

Marla Broadfoot

Planetary Science

Solar ‘Superflares’ Rocked Earth Less Than 10,000 Years Ago—and Could Strike Again

Although our sun is considered a quiet star, it is now thought to have repeatedly pelted our planet with enormous eruptions in the not too distant past. Could another occur in the near future?...

Jonathan O'Callaghan

Stop Torturing Animals in the Name of Science

Four centuries after Descartes declared them to be mere machines that didn’t feel fear or pain, we’re still acting as though we don’t know better

Hope Ferdowsian | Opinion

Health Effects of 9/11 Still Plague Responders and Survivors

Those who were exposed to Ground Zero have increased rates of certain cancers and other health problems

Here’s How Much Food Contributes to Climate Change

Animal-based foods produce about twice the emissions of plant-based ones, a new comprehensive study finds

Andrea Thompson

Special Report

The Top 10 Innovations in Mental Health

The Top 10 Innovations in Mental Health

Mental Health

A look at methods and technologies that are transforming the work of psychiatrists and psychologists

September 14, 2021

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Editor's Picks

Science in Images

Science in Images

Photos and videos from all the disciplines of science. See the full collection. Credit: Ted Kinsman Science Source

Videos

If Algae Has Not Found Its Way onto Your Plate Yet, It Probably Will Soon

A new video series from Scientific American and Spektrum der Wissenschaft gives you a serving of science. In this episode, we take a look at edible seaweed...

September 16, 2021

Nutrition

You Have Probably Eaten This Natural Food Additive without Knowing It

September 2, 2021

Basic Chemistry

Basic Chemistry

The Science inside Your Ice Cream

August 20, 2021

Microbiology

Watch Countless Small Worlds Pulse: From Liquid Crystals to Sea Cucumbers

August 16, 2021

Evolution

These Dinosaurs Had a Complicated Air Conditioner in Their Skull

July 21, 2021

Podcasts

During a Rodent Quadrathlon, Researchers Learn That Ground Squirrels Have Personalities

60-Second Science

During a Rodent Quadrathlon, Researchers Learn That Ground Squirrels Have Personalities

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