The field of tissue engineering is close to some big advances after helping to create human tissues that can be stored like data on computer chips and tested to create novel drugs. 

An increasingly coveted cancer treatment has Mary Mulcahy, MD, Northwestern University, asking when the harms of tough medicines outweigh the benefits they can realistically deliver. 

The most comprehensive report ever on global health concludes that, for the first time, our access to food as a species is more unhealthy than the shortages that have plagued us. 

The ability of exercise to improve how our body clocks run may be especially effective in the afternoon, say researchers at UCLA's Brain Research Institute who studied how exercise affects mice. 

The condom has remained essentially unchanged since the 1920s but now researchers at the University of Michigan are proposing a high-tech polymer as the next-generation contraceptive. 

By creating atmospheres that make you frustrated and anxious, shops can increase the likelihood that you'll lose sight of your purchasing goals and begin buying items on impulse. 

Software that learns to tell stories by maintaining an interconnected web of concepts rather than through rote memorization could help computer programmers better understand how humans think. 

Johns Hopkins Medicine has implanted the first pacemaker for the brain in the US. The device generates tiny electrical impulses that fire into the brain's memory region 130 times a second. 

According to Reuters, one in four Americans believe the world will end within their lifetime. Is it because our lives are so insignificant that we want to write ourselves into the world's finale? 

The same set of skills, called caregiving responsiveness, that make someone a good partner can be carried over into parent-child relationships, says a new study out of England. 

A European health body approved the West's first gene therapy treatment last month. The move signals a long-awaited acceptance after accidents during the 1990s derailed the therapies' progress. 

A chemical compound found in the skin of grapes has been shown to have substantial health benefits, but how the chemical affects humans, and how much of it is helpful, is under investigation. 

Recent research confirms that getting a good night's rest is essential to doing good work during the day. Depriving yourself of sleep may even increase your risk of contracting serious illnesses. 

Science writer Carl Zimmer is optimistic about current research into a vaccine that protects against all viruses. Although results are still years away, scientists are looking for characteristics that all viruses share. 

Once thought to be useless muck, scientists now believe that the majority of our genetic information plays an important role in making proteins and helping to differentiate species. 

Research shows that the exciting emotional bonds created by marriage begin to fade after just two years, but that introducing variety into the relationship has restorative effects. 

Canada's University of Waterloo claims to have the world's largest and most complex brain simulator. Called Spaun, it can model eight distinctive functions of the human brain. 

A new three-dimensional chip that emits light at different depths in the brain's tissue could help scientists better understand distinct thought patterns and the sources of neurological disease.

The notion that men are only interested in one thing is a false one, says professor Andrew Smiler. He has compiled statistics suggesting that our culture's view of the young male is all wrong. 

The rule of reciprocation is deeply rooted in our behavior such that we return the favor even when we don't want to. The behavior has helped our species survive by creating community.