Saturday, December 18, 2021

The Risk of Vaccinated COVID Transmission Is Not Low

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December 17, 2021

Vaccines

The Risk of Vaccinated COVID Transmission Is Not Low

After my son got sick, I dived into the data, and it turns out vaccinated people can and do spread COVID

By Jennifer Frazer

Evolution

New Clues about the Origins of Biological Intelligence

A common solution is emerging in two different fields: developmental biology and neuroscience

By Rafael Yuste,Michael Levin

Weather

Quad-State Tornado May Be Longest-Lasting Ever

Why some tornadoes are able to travel so far and persist so long

By Stephanie Pappas

Neuroscience

People Love the Brain for the Wrong Reasons

Our fascination with brain-based explanations of psychology arises from intuitive ideas about the separation of mind and body—ideas unsupported by science

By Iris Berent

Astrophysics

NASA Launches IXPE, a New X-ray Space Telescope

The Imaging X-ray Polarimetry Explorer will probe the physics behind black holes, neutron stars and other dynamic cosmic objects

By Amy Thompson,SPACE.com

Conservation

Wildfires Are Putting Giant Sequoias at Existential Risk

The future of these guardians of the forest, some thousands of years old, is not assured

By Dominic Smith,Andrew Robinson

Mental Health

COVID Is Driving a Children's Mental Health Emergency

Deaths of parents and other terrible experiences have hurt hundreds of thousands, so new initiatives are trying to help families in pain

By Julia Hotz

Politics

Dr. Oz Shouldn't Be a Senator--or a Doctor

His brand of misinformation has already tarnished medicine. In the halls of Congress, he’d do much worse

By Timothy Caulfield

Privacy

The Log4J Software Flaw Is 'Christmas Come Early' for Cybercriminals

A cybersecurity expert explains how the widely used logging software is already making us more vulnerable

By Sophie Bushwick

Astronomy

James Webb Space Telescope Launch Delayed to Christmas Eve--or Later

A communications glitch between the observatory and its launch vehicle forced the delay, NASA officials say

By Hanneke Weitering,SPACE.com

Public Health

Rapid COVID Tests Could Help Curb Infections--Especially During the Holidays

An expert answers questions about when and how to use the tests

By Nathaniel Hafer,The Conversation US

Astrophysics

NASA Spacecraft 'Touches' the Sun for the First Time Ever

The Parker Solar Probe has passed through a boundary and into the Sun’s atmosphere, gathering data that will help scientists better understand stars

By Alexandra Witze,Nature magazine
FROM THE STORE

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BRING SCIENCE HOME
Spinning Symmetry with Pinwheels

Why do wind turbines and airplane propellers look the way they do? The secret is in the symmetry. Learn why engineers design them this way with this fun, hands-on activity. Give it a whirl!  Credit: George Retseck

Have you ever played with a toy pinwheel—or seen larger real-life versions, such as a windmill or wind turbine? Have you wondered why they look the way they do—with multiple blades, arranged symmetrically? Why can't they get away with just one blade? Or blades of different shapes and sizes? Try this fun project to find out!

Try This Experiment
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Scientist Pankaj

Today in Science: Humans think unbelievably slowly

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