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Health & MedicineGot milk? How?
Scientists are tracking down the first people who squeezed this nutritious liquid out of animals thousands of years ago.
By Emily Sohn -
AnimalsThe nerve of one animal
Cancer that's killing Tasmanian devils probably began in a single creature's nervous system.
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EnvironmentA global warming flap
Differences in butterfly and moth breeding patterns are linked to a changing climate.
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EnvironmentPollution at the ends of the Earth
Chemicals are turning up in small Arctic villages far from factories and cities.
By Douglas Fox -
EnvironmentWatching out for vultures
Farmers giving medicine to cows are accidentally poisoning vultures, again.
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Health & MedicineDrugs and zzzzzz’s
People who take the drug ecstasy are more likely to suffer from a sleeping disorder.
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PhysicsScientists explain mystery of triangular snowflakes
A snowflake's fall helps determine its shape.
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TechLetting molecules do the work
Why go to the trouble of carefully building electric circuits when the circuits can build themselves?
By Douglas Fox