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PaleontologyThe warm jungles of ancient France
Chemical analyses of amber excavated near Paris suggest that France was covered with a dense tropical forest about 55 million years ago.
By Sid Perkins -
AnimalsPurring birds teach their chicks to beg
African birds called pied babblers teach their chicks that certain parental noises mean food is on the way.
By Susan Milius -
Health & MedicineSmoking ups risk for type 2 diabetes
Smoking increases the risk of developing type 2 diabetes by up to 61 percent.
By Brian Vastag -
Life from Scratch
Conjuring life in the lab from nothing but nonliving molecules may sound far-fetched, but the first synthetic life forms may soon be a reality.