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A man died from Alaskapox last month. Here's what we know about the virus

The first known fatality was an elderly man who lived alone in a forested area and was immunocompromised. Scientists say there's no evidence of human-to-human transmission of the virus so far.
- Joe Hernandez
Tai chi reduces blood pressure better than aerobic exercise, study finds

The slow-moving Chinese martial art tai chi is known to increase flexibility and balance. Now, research suggests it's more effective at reducing blood pressure than more vigorous forms of exercise.
- Maria Godoy
Across the world, migrating animal populations are dwindling. Here's why

In a landmark UN study, researchers found nearly half of the world's threatened migratory species have declining populations. More than a fifth of the assessed animals face extinction.
- Nathan Rott
A tiny robot on the space station will simulate remote-controlled surgery up there

A robotic assistant recently arrived at the International Space Station to perform a simulated surgery that will be controlled by a surgeon 250 miles away on Earth.
- Juliana Kim
Research at the heart of a federal case against the abortion pill has been retracted

A research paper that raises questions about the safety of abortion has been retracted. The research is cited in a federal judge's ruling about the abortion pill mifepristone.
- Selena Simmons-Duffin
California sea otters nearly went extinct. Now they're rescuing their coastal habitat

California sea otter populations have rebounded in recent decades. New research finds that by feasting on shore crabs, these otters are helping to protect their coastal marsh habitat against erosion.
- Ari Daniel
EPA tightens rules on some air pollution for the first time in over a decade

The new regulations could save thousands of lives from deadly air pollution, according to the U.S. Environmental Protection Agency's calculations.
- Alejandra Borunda
One option for slowing climate change? Block out the sun

A once unthinkable solution to human caused climate change is gaining traction. And it's not more renewable energy sources or some bigger battery. No, some scientists are considering going right to the source, and blocking out a portion of the sun's rays.
- Diana Opong
Long COVID research goes private

Advocates say the federal government is no longer viewing long COVID with the urgency it deserves. Private donors are now funding research bringing an unprecedented level of collaboration.
- Will Stone
How are atmospheric rivers affected by climate change?

California is in the grips of an atmospheric river that's causing flooding all over the state. Climate change might be intensifying storms like it — but scientists are still working out the details.
- Alejandra Borunda

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