Arrests in a $1.5 million scheme to sell stem cell treatments to terminal patients marks a step in the emergence of the controversial stem cell therapies market.
The "couch potato pill" - said in 2008 to build muscle and increase endurance in mice without exercise - might help prevent deaths due to overheating in those who are susceptible.
Music activates neurons in more regions of the brain than almost anything else scientists know of and causes the release of neurochemicals in our brains.
Costa warns that the accelerating complexity of our world problems - global recession, climate change, and pandemics - is outpacing our brain’s ability to solve them.
Past studies said the decision to help depends on things like time pressure, and the number of bystanders. But self-identified humility trumps these other factors.
One in four teens might be at risk of early hearing loss due to too many hours listening - at too high a volume - to music on their iPods and other MP3 devices.
Scientists are finding new medicines via research on sponges and corals. They could make some antibiotic resistant bacteria respond once more to antibiotics.