[The Independent]
Scientists performing experimental brain surgery on a man aged 50 have stumbled across a mechanism that could unlock how memory works.

[BBC News]
Leading a sedentary lifestyle may make us genetically old before our time, a study suggests.

[Time]
Americans put themselves at needless risk of disease by failing to get key vaccinations as adults, according to a survey by the Centers for Disease Control and Prevention (CDC). The survey also suggests the top reason that adults avoid vaccines: They don't even know they exist.

[Wired News]
Coskata, a biofuel startup backed by General Motors and other investors, says it can make ethanol from just about anything organic for less than $1 per gallon, without interfering with food supplies.

[Wired News]
In what's being called a major advance in organ transplants, doctors say they have developed a technique that could free many patients from having to take anti-rejection drugs for the rest of their lives.

[BBC News]
Virgin Galactic has released the final design of the launch system that will take fare-paying passengers into space.

[The Wall Street Journal]
Researchers have found that failing to publish negative findings has inflated the reported effectiveness of 12 antidepressants approved between 1987 and 2004.

[The New York Times]
The ancestral relationships of people living in the widely scattered islands of the Pacific Ocean, long a puzzle to anthropologists, may have been solved by a new genetic study. The new genetic research, said Patrick V. Kirch, an anthropologist at the University of California, Berkeley, was overwhelming biological evidence for a clear population movement out of Southeast Asia and Taiwan to Polynesia.

[Science Daily]
Brain connections strengthen during waking hours, weaken during sleep.

[Science Daily]
Stem-cell transplantation improves muscles in muscular dystrophy animal model.

[The Washington Post]
Climatic changes appear to be destabilizing vast ice sheets of western Antarctica that had previously seemed relatively protected from global warming, researchers reported yesterday, raising the prospect of faster sea-level rise than current estimates.

[BBC News]
The stripped-out shell of a human heart has been made to work again—using brand new cells planted inside it.

[New Scientist]
Space shuttle astronauts will attempt an unprecedented in-orbit repair of key Hubble Space Telescope instruments during the servicing mission scheduled for August 2008. The repairs, along with the addition of two new instruments, will make Hubble 90 times as powerful as it was after its flawed optics were corrected in 1993.

[Science Daily]
A new study estimates that the U.S. pharmaceutical industry spends almost twice as much on promotion as it does on research and development.

[Psychology Today]
A new (not entirely persuasive) theory of dreaming.