Like humans, female killer whales stop reproducing decades before the end of their lifespan. Grandmothers might show why.
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Where Do Hippos Wander? An Aquatic Mystery, Solved
Hippos need water to survive, and water is disappearing, leading to growing social unrest among the beasts.
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An Alien-Hunting Russian Tech Mogul May Help Solve a Space Mystery
Russian billionaire Yuri Milner has invested a fortune to help SETI find the source of cosmic flashes that emit the energy of 500 million suns.
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The Meat-Allergy Tick Also Carries a Mystery Killer Virus
A tick best known for making people allergic to red meat can also infect its victims with the deadly Bourbon virus.
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Man Found Guilty in a Murder Mystery Cracked By Cousins’ DNA
The trial of William Earl Talbott II hinged on a lead from a genealogy site. The verdict will shape the future of crime-fighting and genetic privacy.
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