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Is It Safe to Hold in a Sneeze?If you're about to sneeze, it's better to just go ahead and ah-choo!
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Why Do Women Have Breasts?
In the primate world, plump breasts last only as long as breastfeeding does except in humans.
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Does Breastfeeding Make Breasts Sag?
Pregnancy can take a toll on the shape of breasts, but does breastfeeding make a difference?
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Why Don't Woodpeckers Get Headaches?Safeguards are especially important to males, which peck up to 12,000 times a day during courtship.
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Are Any Animals Monogamous?Monogamy is a rare bird in the animal kingdom, but some creatures stay faithful forever.
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Why Are Most Animals Promiscuous?
Rampant promiscuity fends off disease, bad genes, and may actually keep species from going extinct.
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What's an Orgasm?Unlike a charley horse, these spasms turn your legs into jelly for an entirely different reason.
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Is Restless Legs Syndrome Real?RLS is real, though the name does tend to trivialize the syndrome, some sufferers agree.
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What's Behind the Record Price of Gold?Gold has topped a record $900 an ounce. Why is it so precious?
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Venomous Snake Count On the RiseA newly identified deadly snake in India is one of a handful now challenging the long-held concept that there are only four dangerous snakes in the country, sometimes known as the land of snakes.
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Birds Help with Avian Child CareAfrican starling birds nanny up when conditions get rough.
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Greatest Mysteries: Why Are There Transitional Animals?For Darwin, the evolution of transitional forms was a vexing question.
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Resilient Juveniles Key to Ferrets' ReboundWild ferrets' survival skills is helping them fend off extinction.
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Study: Toilets Need Radical RedesignFlush toilets use tons of water but the outhouse holds no appeal.
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Yellowstone Wolves Reintroduce 'Ecology of Fear'Return of the Yellowstone wolf has elks shaking in their hooves.
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Pollution Clouds Mating Game for FishBaltic Sea pollution clouds the view of female fish hunting for mates.
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Secret to Abalone Shell Strength RevealedIt looks dainty hanging from a necklace, but mother-of-pearl is super strong.
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Biological Transformers Shrink and Grow to Elude PredatorsSaltwater algae go through amazing changes to stay alive.
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Cheap Lamps Made with Aluminum FoilOur lives may soon be lit by skinny panels made of aluminum foil.
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Adults Brains Still Make Youthful CellsResearchers find that parts of grown-up brains can still be young.
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Top 10 Most Incredible Animal Journeys -
Small Parks Could Cool Big CitiesJust 10 percent more green could cool temps 7 degrees.
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Mice Find Lost MemoriesStudy could lead to Alzheimer's treatments.
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Hopes Dashed: Women Don't Generate New EggsWomen born with all the eggs they'll ever have, new study suggests.
