Our love affair with chocolate is much older than we thought, and newly discovered traces of cocoa on ancient pots suggest it started in the rainforests of what is now Ecuador some 5300 years ago. Image: QuiRag
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In May 2013, Israeli health authorities made a disturbing discovery. A virulent strain of poliovirus had returned to the country for the first time in 25 years—and it was spreading. To make matters worse, the virus had an opportunity to spread further by exploiting a vulnerability in Israel’s vaccination strategy. Image: TheMichaelPDX
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Look at the jaws of Spinosaurus and you might conclude it was like a crocodile. Examine its gigantic claws and it is like a bear. Its broad, flat toe bones are like those of a wading bird. What could the life of a creature with such apparently conflicting features have been like? Image: Ryan Somma
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Sometime in the Stone Age, human artists began experimenting with a new form of visual art: drawing. Now, from the ancient rubble that accumulated on the floor of a South African cave comes the earliest-known example — an abstract, crayon-on-stone piece created about 73,000 years ago. Image: Craig Foster
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Do you believe in giving people a second chance? Many US employers say they do: in a recent nationwide study, about half the managers and half the human resources professionals expressed a willingness to employ someone with a criminal record. Image: JobsForFelonsHub
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