Magritte's 1964 painting The Intimate Newspaper gets us thinking: Who is this? A familiar friend or a complete stranger? Rene Magritte/Corbis hide caption

itoggle caption Rene Magritte/Corbis

Scientists altered people's perceptions of right and wrong by applying magnetic stimulation to the brain. The study is part of a larger effort by scientists to explain the mechanics of how the brain makes moral judgments. iStockphoto.com hide caption

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An actor prepares to receive "shocks" from the audience on a fake TV game show, staged for a French documentary. Psychologists have questioned the ethics of such experiments because of possible mental trauma suffered by participants. Christophe Russeil, HO/AP hide caption

itoggle caption Christophe Russeil, HO/AP

The fossil finger was found in a cave in the Altai Mountains of Siberia. Whoever that finger belonged to was neither human, like us, nor Neanderthal, the only other member of the human line known to be living in Europe at the time. Courtesy of Bence Viola hide caption

itoggle caption Courtesy of Bence Viola

Scientists have discovered that at 7 months old, children respond to human voices and emotions in much the same way adults do. iStockphoto.com hide caption

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Five fossilized human skulls show how the shape of the early human face evolved: (left to right) Australopithecus africanus, 2.5 million years old; Homo rudolfensis, 1.9 million years old; Homo erectus, 1 million years old; Homo heidelbergensis, 350,000 years old; Homo sapiens, 4,800 years old. Scientists believe that climate change had a major impact on the development of early humans. Chip Clark, Jim DiLoreto, & Don Hurlbert/Smithsonian Institution hide caption

itoggle caption Chip Clark, Jim DiLoreto, & Don Hurlbert/Smithsonian Institution

In response to reports of cars unexpectedly surging forward, researchers set up some experiments to study the problem. The results were somewhat surprising. iStockphoto.com hide caption

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The documentary Game of Death, broadcast Wednesday in France, shows participants in a game show obeying orders to deliver increasingly powerful electric shocks to a man until he appears to die. The reality show was actually a fiction and the man an actor (Laurent Le Doyen), but the contestants and audience didn't know. Christophe Russeil/HO/AP via FRANCE 2 hide caption

itoggle caption Christophe Russeil/HO/AP via FRANCE 2

Researchers were able to correctly match bacterial DNA on keyboards and computer mice with their individual users. This bacterial "fingerprint" could become a new forensic tool, though it's not yet ready for the courtroom. istockphoto.com hide caption

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When this poster was printed in 1900, mind reading was still in the realm of magic. A new computer program capable of predicting individuals recollections has brought telepathy a small step closer to science. Library of Congress hide caption

itoggle caption Library of Congress