Hedges Do Way More Than Block Your View
They also link ecosystems together, supporting thousands of species.
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Gordon Scammell / Loop / Universal / Getty Spiders Play All Sorts of Mind Games
Arachnids are proof that animals don't need big brains to be brilliant.
Julio Bonfante / Getty The Animal Kingdom Is Full of Genetic Screwballs
All sorts of creatures jettison parts of their own DNA, and scientists have no idea why.
vexedart / Alamy In Some Places, People Talk in Whistles Louder Than Car Horns
More than 80 communities around the world have turned entire languages into whistles as a way to communicate over long distances.
Sarah Andrews / AP Near-Death Experiences Can Scar Animals for Life
Humans may not be the only creatures who get PTSD.
Tom Brakefield / Getty How Do We Know What Ancient People Ate? Their Dirty Dishes.
New scientific techniques have turned ancient food into less of a mystery.
Enver-Hirsch / Wien Museum And You Thought Your Blood Pressure Was High?
Giraffes’ blood pressure is double that of most humans, but it doesn’t seem to faze them at all.
Tony Karumba / AFP /Getty How Bowhead Whales Live for 200 Years
Size isn’t everything.
Taro Yamasaki / The LIFE Images Collection / Getty So Much Hinges on the Existence of Ancient Black Holes
If real, these massive, invisible objects could help unravel the mystery of dark matter.
NASA So What’s the Point of Playtime?
Scientists think it’s valuable, but they’re not quite sure why.
JEAN-BAPTISTE LECA
