Social structure in elephant herds is surprisingly complex. The adults in the herd exhibit what scientists call "reciprocal altruism." That means that elephants will act in ways that give them no direct benefit—say, protecting or feeding a calf that isn"t theirs. They do that because the other elephants in their herd will do the same for them. Maybe the elephant is a good role model for Giving Tuesday?
Giving Tuesday
Today in History
More Desktop Wallpapers:
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National Park Week begins
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These patterns tell a story
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In orbit for Yuri s Night
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Lake Pehoé, Torres del Paine National Park, Chile
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World Theater Day
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Fireflies glowing above a stream, Okayama Prefecture, Japan
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Merced River, Yosemite National Park, California
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Springtime in the Mediterranean
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Summer winds down in the Southern Hemisphere
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A long, erratic commute
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The owl that loved football
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Seville, Spain
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Rice terraces of Mù Cang Chải, Yên Bái province, Vietnam
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Killer whales in Spildra, Norway
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A visionary artist paints his own garden view
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Lavender rows, Plateau de Valensole, Provence, France
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Celebrating Bike to Work Week, May 14-18
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Native American Heritage Month
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The Aomori Nebuta Festival parade, Japan
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Indigenous Peoples Day
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Panda Day
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Great horned owl near Lake Tohopekaliga, Florida
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Fashion models of the avian world
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Lençóis Maranhenses National Park in Brazil
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FOR FOREST by Klaus Littmann
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Great Smoky Mountains National Park turns 92!
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World Jellyfish Day
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I m here! Take a look at me!
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A magnificent monolith
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Katahdin Woods and Waters National Monument anniversary
Bing Wallpaper Gallery

