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Tiger beetles generate "anti bat-sonar" to prevent echolocating bats from eating them, scientists say. An experiment suggests the beetles mimic sounds created by poisonous insects that bats avoid.
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"Moon Trees" are starting to grow on Earth. They got that name because as seeds they spent some time in space.
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Weliton Menário Costa's award-winning music video showcases his research on kangaroo personality and behavior — and offers a celebration of human diversity, too.
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When marijuana becomes a Schedule III instead of a Schedule I substance under federal rules, researchers will face fewer barriers to studying it. But there will still be some roadblocks for science.
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Michael Sanchez was testing out his new camera when he happened upon a feathered subject. The blue rock-thrush he photographed on the coast of northern Oregon last week has excited the birding world.
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Federal health officials say the U.S. has the building blocks to make a vaccine to protect humans from bird flu, if needed. But experts warn we're nowhere near prepared for another pandemic.
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NPR's Juana Summers talks with Regina Barber and Emily Kwong of Short Wave about biodegradable plastic, simulating growing crops on Mars, and how deer are disrupting caribou populations.
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The health officials say the country is ready to produce a vaccine against a worrisome flu virus that recently jumped from birds to cows and at least one person. But some experts are skeptical.
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Women under 60 can benefit from hormone therapy to treat hot flashes and other symptoms of menopause. That's according to a new study, and is a departure from what women were told in the past.
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The time a person has to decide whether to have an abortion in Florida and other states with six-week abortion bans is at most two weeks. Why? It's has to do with how we date early pregnancy.
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Some birds kill their siblings soon after hatching. Other birds spend their whole lives with their siblings and will even risk their lives to help each other.
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A rise in breast cancer among younger women prompted the U.S. Preventive Task Force to issue new screening guidelines. They recommend mammograms every other year, starting at age 40.