NPR News: Blue Origin pauses space tourism flights to focus on lunar lander

Blue Origin pauses space tourism flights to focus on lunar lander
Blue Origin, owned by billionaire Jeff Bezos, says it's stopping human spaceflights for at least two years. The move will allow it to "shift resources" to the company's lunar landing capabilities.

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NPR News: FAQ: What is wind chill, and why is it dangerous?

FAQ: What is wind chill, and why is it dangerous?
Strong winds can make it feel a lot colder than the thermometer suggests. Protect yourself by covering exposed skin and sheltering inside.

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NPR News: Humpback whales cast bubble nets to catch prey. They may be learning from each other

Humpback whales cast bubble nets to catch prey. They may be learning from each other
Humpback whales will sometimes use an intricate strategy to catch food called bubble-net feeding. A new study suggests they're spreading the knowledge of how to do it to each other.

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NPR News: Scientists shed new light on the brain's role in heart attack

Scientists shed new light on the brain's role in heart attack
Researchers discovered a feedback loop between nerve cells, the immune system and the heart. They think it shows promise as a target for future therapies.

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NPR News: 40 years after Challenger: Lingering guilt and lessons learned

40 years after Challenger: Lingering guilt and lessons learned
Forty years after the Challenger disaster, NPR explores the engineers' last-minute efforts to stop the launch, their decades of guilt and the vital lessons that remain critical for NASA today.

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NPR News: What is 'frost crack' and how does it affects trees?

What is 'frost crack' and how does it affects trees?
Sudden or severe cold temperature can cause trees to experience "frost crack." NPR's Scott Simon talks with Bill McNee of the Wisconsin Department of Natural Resources about what happens and why.

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NPR News: In President's Trump's tangled science policies, experts see a unifying thread

In President's Trump's tangled science policies, experts see a unifying thread
Heading into the second year of Trump 2.0, when it comes to science, some argue Trump has no consistent ideology for decision-making. Others argue the unifying theme is destruction of science itself.

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