Friday, July 30, 2021

Why Do Variants Such as Delta Become Dominant?

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July 30, 2021

Epidemiology

Why Do Variants Such as Delta Become Dominant?

Mutations that make a virus more transmissible are only part of the equation

By Sara Reardon

Climate Change

Infrastructure Deal Whittles Down Climate Spending

The bipartisan legislation includes less funding for public transit and electric vehicles

By Adam Aton,E&E News

Public Health

COVID, Quickly, Episode 12: Masking Up Again and Why People Refuse Shots

Today we bring you a new episode in our podcast series COVID, Quickly. Every two weeks, Scientific American's senior health editors Tanya Lewis and Josh Fischman catch you up on the essential developments in the pandemic: from vaccines to new variants and everything in between.

You can listen to all past episodes here.

By Tanya Lewis,Josh Fischman,Maddie Bender | 06:18

Climate Change

Act on Climate Emergency Now to Prevent Millions of Deaths, Study Shows

The human toll of carbon emissions will vastly magnify climate change's economic costs

By Andrea Thompson

Computing

The Question Medical AI Can't Answer

It's unable to tell us why it came to a particular decision—and that's crucial information

By Jason H. Moore

Engineering

Entire Buildings Can Be Wrapped in Jackets to Save Energy

Apartment buildings, or blocks of row houses, can be upgraded in one installation

By Willem Marx

Extraterrestrial Life

Harvard's Avi Loeb Thinks We Should Study UFOs--and He's Not Wrong

As a SETI scientist, I'm grateful that he has the freedom—and the guts—to go where few would dare to go

By Seth Shostak

Energy

The 'Hydrogen Olympics' Lit a Torch for the Clean Fuel's Future

An energy expert explains why Japan—along with much of the rest of the world—is committing to the clean-burning fuel

By Tess Joosse

Animals

Caffeine Boosts Bees' Focus and Helps Them Learn

By associating caffeinated sugar water and a target scent, researchers teach bumblebees to stay on task

By Tess Joosse

Space & Physics

China's Space Station Is Preparing to Host 1,000 Science Experiments

The spaceborne studies will cover diverse topics, from dark matter and gravitational waves to the growth of cancer and pathogenic bacteria

By Smriti Mallapaty,Nature magazine

Computing

AI Creates False Documents That Fake Out Hackers

The algorithm hides sensitive information in a sea of decoys

By Sophie Bushwick

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FROM THE ARCHIVE

How Dangerous Is the Delta Variant, and Will It Cause a COVID Surge in the U.S.?

A new, more transmissible form of SARS-CoV-2 is rapidly spreading in the country and poses a threat to unvaccinated and partially vaccinated people

QUOTE OF THE DAY

"[Delta's] rate of increase is unlike any other in the history of this pandemic."

Vaughn Cooper, evolutionary biologist at the University of Pittsburgh

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