Nina Fedoroff: "One of the biggest challenges is how to raise the grain crops, the soybeans, the corn, the wheat that will thrive in a much harsher climate."
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.