Generous apes: What explains the evolution of human kindness?

Generous apes: What explains the evolution of human kindness?

With chimpanzees, the prospect of food can lead to aggression.  But bonobos take a different approach, says Suzy Kwetuenda, a ...
How women turned the tide against smallpox in the 1700s

How women turned the tide against smallpox in the 1700s

Smallpox was far deadlier than the coronavirus the world is currently battling. Fatality rates were as high as 30%, and ...
Simulation: Here’s how herd immunity works

Simulation: Here’s how herd immunity works

When you click "Run Simulation" [below], you are witnessing how a disease can spread through a population and how increased ...
GM plants with bigger roots could suck more carbon out of the atmosphere, mitigating climate change

GM plants with bigger roots could suck more carbon out of the atmosphere, mitigating climate change

[S]cientists like Wolfgang Busch, Salk Institute for Biological Studies professor, are trying to harness the carbon-sucking power of plants to ...
Could vaccines accelerate the evolution of more dangerous mutant COVID variants?

Could vaccines accelerate the evolution of more dangerous mutant COVID variants?

Some scientists have argued that it would be better to use the scarce vaccines to give first doses to as ...
Did closing schools cost lives?

Did closing schools cost lives?

Killing people? Because of several months of Zoom school? How could that be?  Well, there is a well-documented association between ...
Infographic: How dangerous COVID mutant strains develop

Infographic: How dangerous COVID mutant strains develop

Sometime in 2019, probably in China, SARS CoV-2 figured out a way to interact with a specific "spike" on the ...
Protection, Kansas was the first town in the nation to be fully vaccinated against polio. Now it’s an epicenter of vaccine skepticism.

Protection, Kansas was the first town in the nation to be fully vaccinated against polio. Now it’s an epicenter of vaccine skepticism.

Sixty-four years ago, residents of this tiny town in southwestern Kansas set a public health example by making it the ...
Why are COVID cases declining dramatically in India?

Why are COVID cases declining dramatically in India?

[Four months after a COVID case surge], India's coronavirus numbers have plummeted. Late last month, on Jan. 26, the country's ...
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18 months later, first sickle cell patient treated with CRISPR is still pain free

18 months later, first sickle cell patient treated with CRISPR is still pain free

[35-year-old Victoria] Gray is the first person in the United States to be successfully treated for a genetic disorder, [sickle ...
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