Science

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Squaring the Circle Is No Piece of Pi

Mathematicians have sliced, and now supercomputers have crunched, but the mystery of pi goes on and on and...

Mariana fruit bat Pteropus mariannus

Batty About Flying Foxes

Long considered black devils with wings, these bats today are stealing hearts – and mangoes – across Australia

The Ant planetary nebula. Ejecting gas from the dying central star shows symmetrical patterns unlike the chaotic patterns of ordinary explosions.

A Celestial News Bureau

Three Smithsonian astronomers run a worldwide news service about what is happening overhead

Birds, Bees and Even Nectar-feeding Bats Do It

Across our fields, orchards and backyard gardens, the pollinators we rely on for the food we eat are facing threats on many fronts

Bone Specialist On Call

A Smithsonian anthropologist applies his expertise to cases of missing children and disaster victims

This SeaWiFS view reveals the colourful interplay of currents on the sea's surface

Evidence for a Flood

Sediment layers suggest that 7,500 years ago Mediterranean water roared into the Black Sea

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Wanted, Dead or Alive

When scientists go scavenging at a bioblitz, anything they can find that's organic is considered fair game

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The Biggest One That Didn't Get Away

A real fish tale hangs on a monster marlin caught nearly a half-century ago

A Second Wind

An unlikely alliance of Midwesterners says it is time to take another look at generating electricity through wind power

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Night Belongs to the Kiwi

It may look fuzzy and adorable but this New Zealand bird is one tough customer

Jack Dailey

A New Man at Air and Space

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Hawaii's Vanished Birds

For the National Zoological Park, an artist depicts the diversity of the islands' extinct avian species

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When Magma's On the Move

In California's Long Valley, the earth trembles every day where a volcano once exploded

Sand dunes in the Rig-e Jenn in the Dasht-e Kavir

Casting Light on Iranian Deserts

Closely watched by their guides and military escort, harried biologists survey the wild things that survive there

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Redefining Robots

At his laboratory in Los Alamos, New Mexico, researcher Mark Tilden creates machines that march to the beat of a different drummer

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"You Gotta Remember, Eels Are Weird"

They're slimy, snaky, ugly and repulsive, but once you acquire a taste for this much-maligned species, "slippery as an eel" becomes a compliment

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Last of the Wild Buffalo

Long displayed, long dispersed, the famous Hornaday bison "family" is reunited in a new home

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When Permafrost Isn't

Slowly rising temperatures are melting the frozen ground that underlies most land at high latitudes

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Sloth Bears: They Eat Ants, but Take on Tigers

Still used as "dancing bears," they can hold their own with the big cats but not with human expansion

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Making the Chips that Run the World

Making the Chips that Run the World A piece of cake: put 9½ million transistors in a space the size of your thumbnail and allow zero contamination

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