Water trapped deep within the moon’s interior came from the same source as water on Earth, a new study reveals. The research suggests that the moon seized a healthy supply of water from Earth when the satellite formed in the aftermath of a cataclysmic collision 4.5 billion years ago. 05.09.13 | more >>

The Arctic wasn’t always frozen tundra. About 3.6 million years ago, the far north was blanketed in boreal forests, and summers were 8 degrees Celsius warmer than they are today, geologists report May 9 in Science. 05.09.13 | more >>

In a long-sought step toward building a safer mosquito, researchers have infected the insects with bacteria that sabotage their malaria-causing parasites. 05.09.13 | more >>

NEWS IN BRIEF E. coli moving between systems may cause urinary tract infections 05.09.13 | more >>

Provocative evidence that certain memory exercises make people smarter has sparked the rise of online brain-training programs such as Lumosity. But at least one type of brain training may not work as advertised, a new study finds. 05.09.13 | more >>

Multiple sclerosis, long considered a disease of white females, has affected more black women in recent years, a new study finds. Hispanic and Asian women, who have previously seemed to be at less risk of MS, remain so, researchers report May 7 in Neurology. The findings bolster a theory that vitamin D deficiency, which is common in people with dark skin in northern latitudes, contributes to MS. 05.08.13 | more >>

The branches of Europe’s family tree converge remarkably recently in the continent’s history — around the time of the Norman conquest and the Vikings’ transatlantic voyages. 05.08.13 | more >>

Atomic nuclei come in many shapes and sizes, and scientists have now obtained precise measurements of an elusive form: pear-shaped. Studying these exotic nuclei, which are described in the May 9 Nature, could allow physicists to better understand subatomic structure and to find new particles and forces. 05.08.13 | more >>

NEWS IN BRIEF Simulation suggests long-term effect on sea level not as dire as some predictions 05.08.13 | more >>

NEWS IN BRIEF Adolescent suicide risk and access to guns, teens' cognitive dissonance on football concussions and more presented May 4-7 in Washington, D.C. 05.07.13 | more >>

NEWS IN BRIEF Creature's cells change shape to form appendages 05.07.13 | more >>

View the video A rush of blood to the tongue helps some bats slurp up their food. Erect bristles that spring from the tongue tip of a nectar-feeding bat, Glossophaga soricina, help the bats snag sweetness from flowers, a new study finds. 05.06.13 | more >>

Living near a toxic waste site may represent as much of a health threat as some infectious diseases, a study in three developing countries finds. 05.06.13 | more >>

Human ancestors living in East Africa 2 million years ago weren’t a steak-and-potatoes crowd. But they had a serious hankering for gazelle meat and antelope brains, fossils discovered in Kenya indicate. 05.03.13 | more >>

Robots that can flap their wings, hover and dart around like a fly could help scientists better understand the finer points of insect aviation, researchers report in the May 3 Science. 05.02.13 | more >>

Spending the first few years of life someplace other than the United States seems to protect against allergy and asthma. An analysis finds that children who were born elsewhere and moved to the U.S. are less prone to these immune ailments than U.S.-born kids. But for some allergic complaints, the mysterious protection weakens after long exposure to an American lifestyle, researchers report ... 05.02.13 | more >>

NEWS IN BRIEF Bone-eating worms produce chemicals to dissolve and feed on skeletons 05.02.13 | more >>

WASHINGTON, D.C. — Hunger turned horrifying among Colonial-era residents of Virginia’s Jamestown settlement. An analysis of a partial skull from a teenage girl unearthed last summer indicates that she was cannibalized after she died, scientists reported May 1 at the Smithsonian Institution’s National Museum of Natural History. 05.01.13 | more >>

View the video A shattered windshield has a story to tell. The key to hearing it is counting the cracks.

The number of cracks that emerge in a plate of glass or Plexiglas relates to the speed of the object that broke it, researchers demonstrate April 26 in Physical Review Letters. This simple relationship could prove useful for forensic scientists, archaeologists and even astronomers. 05.01.13 | more >>

NEWS IN BRIEF Tiny camera with 180 linked lenses captures panoramic views, could provide surveillance 05.01.13 | more >>

NEWS IN BRIEF Diminutive size came before specialized wings 05.01.13 | more >>