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Why HIV Spreads Less Easily In Heterosexual Couples

People in heterosexual relationships are about 20 times less likely to pass HIV to their partners than homosexual men. Now scientists have found a clue to why this disparity exists.
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Math Nerd Or Bookworm? Many Of The Same Genes Shape Both Abilities

About half the genetic contribution to a child's reading ability also shapes how math-savvy she is, a big study of twins finds. But there's still no telling exactly which genes are involved.
NPR

The Little Spacecraft That Couldn't

A team of volunteer space cowboys may have to say goodbye to ISEE-3 and to their dream of reviving for a final mission the creaky, 36-year-old hardware. Failed tests Wednesday suggest a fuel problem.
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Bingeing On Bad News Can Fuel Daily Stress

Simply watching, reading or listening to steady news coverage of a traumatic event can be as stressful as experiencing the event in person, research suggests.
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Last-Resort Antibiotics In Jeopardy As Use Rises Globally

Antibiotic sales in clinics and pharmacies around the world rose by more than a third over a decade. Now drugs reserved for the most dangerous bacteria are at risk of losing their effectiveness.
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Biologist Says Promoting Diversity Is Key To 'Keeping The Bees'

Laurence Packer says humans need to appreciate both domestic bees and the some 20,000 species of wild bees. His book Keeping The Bees explores all types, including some that feed on tears.
NPR

A Tough Little Droplet Fights To Stick Around

It's just a drop of water. It's about to fall. And when it does, a story begins. What happens next may feel oddly familiar. Maybe it's telling you — about you.
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Like All Animals, We Need Stress. Just Not Too Much

A racing mind and a pounding heart aren't all bad — the stress response can help humans and other animals deal with the unexpected. So what makes a vital system, that evolved to help us, turn toxic?
NPR

As Engines Sputter To Life, Vintage Spacecraft Turns Toward Moon

So far, so good. ISEE-3, the versatile 1978 space probe that took a detour to greet a comet in the 1980s, is now on track to get close to the moon, scientists say, though course fixes can be tricky.
NPR

In A Lab Store Room, An Unsettling Surprise: Lost Vials Of Smallpox

Scientists at the National Institutes of Health made an unpleasant discovery as they cleaned out an old laboratory: The lab contained vials of the smallpox virus, previously unknown to authorities.

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