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vendredi 20 novembre 2020

Evaluating COVID Risk on Planes, Trains and Automobiles

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November 20, 2020

Public Health

Evaluating COVID Risk on Planes, Trains and Automobiles

Stay safer on different forms of transportation

By Sophie Bushwick,Tanya Lewis,Amanda Montañez

Mental Health

Vision and Breathing May Be the Secrets to Surviving 2020

Stanford neurobiologist Andrew Huberman discusses the two things we can always control, even during a high-stress election and scary COVID pandemic

By Jessica Wapner

Public Health

Mysteries of COVID Smell Loss Finally Yield Some Answers

Explanations begin to arise at the molecular level for this vexing but commonplace symptom

By Stephani Sutherland

Space

Legendary Arecibo Telescope Will Close Forever, and Scientists Are Reeling

A new satellite image reveals the damage that shut down the facility, ending an era in astronomical observation

By Alexandra Witze,Nature magazine

Climate

Biden Stocks Transition Teams with Climate Experts

The president-elect has included those with climate experience across a wide swath of federal agencies

By Adam Aton,Jean Chemnick,E&E News

Public Health

Vaping Industry Echoes Big Tobacco's Misleading Call for Science

To understand the battle over e-cigarettes, one must look to history—and big tobacco

By Kit R. Roane,Jeffery DelViscio,Kelso Harper

Climate

Otters Show How Predators Can Blunt Climate Damage

Understanding the full impacts of warming requires factoring in the complexity of ecosystems

By Nancy Averett

Chemistry

A Butterfly's Brilliant Blue Wings Lead to Less Toxic Paint

A phenomenon known as structural color could be translated to a range of commercial products

By Meg Wilcox

Medicine

The COVID Cold Chain: How a Vaccine Will Get to You

A vaccine logistics expert explains how millions of frozen vials will be widely distributed

By Mark Fischetti

Medicine

Your Tears Might Save Your Life Someday

They could ultimately be used to find diseases the way blood tests do now—but cheaper and more easily

By Anis Barmada

Policy & Ethics

10 Steps That Can Restore Scientific Integrity in Government

Here's what the Biden-Harris administration can do to repair the damage Trump has done

By Lauren Kurtz,Gretchen Goldman

Public Health

Dating during the Pandemic: Can You Trust an 'Antibody Positive' Claim?

Testing positive for COVID antibodies is not a pass to date freely

By Michelle Konstantinovsky
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BRING SCIENCE HOME
Math Fun with a Perimeter Magic Triangle

Count your pennies! Learn a fun puzzle to test your quick computation skills--and see if you can find new strategies for getting speedy solutions.  Credit: George Retseck

Do you ever use math as a tool to solve interesting problems? In the 1970s math was often taught with simple worksheets. One teacher was looking for a way to help his students have more fun with math and logic. So he developed what is now known as the perimeter magic triangle puzzles. Try them out—and have some fun as you start thinking about counting in a whole new way!

Try This Experiment
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