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Bats (14 pictures)

Bats are flying mammals in the order Chiroptera. The forelimbs of bats are webbed and developed as wings, making them the only mammals naturally capable of true and sustained flight. By contrast, other mammals said to fly, such as flying squirrels, gliding possums and colugos, glide rather than fly, and only for short distances. Bats do not flap their entire forelimbs, like birds, but instead flap their spread out digits, which are very long and covered with a thin membrane or patagium. Chiroptera comes from two Greek words, cheir “hand” and pteron “wing.”

The Old Phone Days

Cell phones have evolved immensely since 1983, both in design and function. From the Motorola DynaTAC, that power symbol that Michael Douglas wielded so forcefully in the movie “Wall Street”, to the iPhone 3G,...

A promising test for pancreatic cancer … from a teenager

Over 85 percent of all pancreatic cancers are diagnosed late, when someone has less than two percent chance of survival. How could this be? Jack Andraka talks about how he developed a promising early detection test for pancreatic cancer that’s super cheap, effective and non-invasive — all before his 16th birthday.