John Kelly and Dr. Marcia Angell were advocates on opposing sides of a Massachusetts measure to legalize physician-assisted suicide. Jesse Costa/Jesse Costa/WBUR hide caption

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Jesse Costa/Jesse Costa/WBUR

According to a study published in Pediatrics, boys are entering puberty six months to two years earlier than they did in past studies. iStockphoto.com hide caption

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Like Girls, Boys Are Entering Puberty Earlier

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The U.S. Army distributed a monthly pinup calendar to GIs, which encouraged them to protect themselves from malaria-carrying mosquitoes. Cartoon by Frank Mack for the U.S. Army./Courtesy of the Images from the History of Medicine. hide caption

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Cartoon by Frank Mack for the U.S. Army./Courtesy of the Images from the History of Medicine.

How The U.S. Stopped Malaria, One Cartoon At A Time

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For centuries, Russians believed putting a brown frog in their milk would keep it fresh. Now scientists are finding chemicals in the frog's slimy goo that inhibit the growth of bacteria and fungi. Stefan Arendt/Corbis hide caption

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Stefan Arendt/Corbis

A woman holds a child as people line up to enter the Newtown Methodist Church near the scene of the elementary school shootings in Newtown, Conn. Douglas Healey/Getty Images hide caption

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Douglas Healey/Getty Images

Does a little sugar water before shots really help ease a babies' pain? If only they could tell us. Dmitry Naumov/iStockphoto.com hide caption

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Dmitry Naumov/iStockphoto.com

Did eating binges come first? iStockphoto.com hide caption

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iStockphoto.com

Clostridium difficile bacteria produce a toxin that damages the intestine and causes severe diarrhea. Courtesy of David Goudling/Nature Genetics. hide caption

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Courtesy of David Goudling/Nature Genetics.

Bedbugs are becoming a common nuisance in many places. But cheap ultrasonic devices advertised as bedbug repellents don't work, scientists say. Carolyn Kaster/AP hide caption

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Carolyn Kaster/AP