Male contraceptive: One step ahead

Nobody has shown an effective, reversible contraception for men. Using on-the-market meds, that goal has now been reached. More »

Sleep: It can enhance memories!

When sounds accompanying bias-reduction training are replayed during sleep, the anti-bias effect is longer, stronger. More »

Your microbiome affects obesity, infection, asthma. Does the immune system "farm" bacteria? Do bacteria train the immune system? More »

Check out these over-the-horizon advances in antibiotics, energy, health and freshwater. More »

Stem-cell therapy is inching ahead. The study did not prove that it works, but other trials are started up. What took so long? More »

It’s “classic dogma”: Bad bacteria and viruses grow less dangerous over time. Not always! More »

Fibromyalgia, chronic fatigue, even chronic lower back pain are all “centralized pain states” that can result when the brain is More »

Are large gatherings–like sporting events and religious pilgrimages–hotbeds for illness? How do scientists prepare for outbreaks? More »

Think hearing and sight were separate? Think again. After seven days in darkness, mice detected quieter sounds, and recognized subtle More »

As scientists search for the effects of brain injury, a long-term study looks at signs of Alzheimer’s, cognitive ability and past More »

Growing brains need blood. But persistent noise or activity both slow formation of new vessels in the brain of a mouse. Mice aren’t More »

As Haiti copes with thousands of deaths, scientists try to understand how weather affects cholera, and how to battle a feces-borne More »

Study finds added sugar — equal to 3 cans of soda a day — doubles death rate among female mice, and impairs male reproduction. Even More »

Heart muscle is never replaced if it dies in a heart attack. Muscle cells grown from stem cells can briefly help broken hearts. Could More »

What are the safety fundamentals of the giant American food system? What do the new rules say? Who will (and maybe should) escape More »