Health & Medicine
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Materials Science
Silk can be molded into strong medical implants
Freeze-dried and powdered silk has a long shelf life. It also is cheap to ship and can be molded into sturdy medical implants.
By Sid Perkins -
Science & Society
COVID-19: When will it be safe to go out again?
No one yet knows when social distancing can end. Experts explain we need 'herd immunity,' which won't be easy and may come at a horrific cost.
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Brain
Zapping the brain may make it work right again
Sending electrical zaps to electrodes implanted deep in the brain can help people with Parkinson’s disease, depression and even obsessive-compulsive disorder.
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Health & Medicine
This scientist wants to know how racial discrimination gets ‘under the skin’
Racism could have derailed Leticia Márquez-Magaña’s path to science. Now she studies the biological impact of stress faced by underrepresented groups.
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Health & Medicine
Coronavirus most contagious before and right after symptoms emerge
Once the body starts making antibodies to the new coronavirus, it stops making 'live' virus. But beware long-lasting live virus on surfaces, scientists warn.
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Environment
Decades-long project is linking our health to the environment
Started in 1959, this California study is one of the oldest ongoing research projects in the world.
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Health & Medicine
WHO calls COVID-19 a global pandemic
The United Nations’ World Health Organization has finally called COVID-19 a global pandemic. Here’s why.
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Brain
Do you sleep enough to banish unpleasant moods?
A large, long-term study in kids has linked getting too little shuteye with mood and behavior problems.
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Health & Medicine
Answers to your questions on the new coronavirus
As SARS-CoV-2 spreads globally, researchers are looking for answers on why this novel coronavirus is so infectious and hard to control.
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Health & Medicine
Top 10 tips to stay safe during an epidemic
It’s easy to panic when you hear a global infectious outbreak is developing. But panic doesn’t help. Good hygiene does. Here’s what to do.
By Janet Raloff -
Health & Medicine
What ‘community’ spread of coronavirus means
Health experts warn there are probably many undetected cases already in the United States, raising chances the disease will soon be widespread.
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Health & Medicine
Search speeds up for vaccine against the new coronavirus
Scientists are investigating unusual ways to make drugs to prevent viral infections. One may even be able to treat already sick people.