Stanford scientists have found a way of observing real-time brain activity in a live mouse, letting them work out where the mouse is in an enclosure on the basis of which neurons are firing.
Even with shielding, the amount of cosmic radiation involved in a trip to Mars could put astronauts on the path to Alzheimer's disease.
Bees appear to be able to reverse the effects of ageing on their brains, simply by returning home for a little light housework.
A new long-term study is to investigate a possible link between the use of mobile phones and long-term health problems such as cancer.
Some very clever people with better things to do than fiddle about on a Nintendo DS have explained to the rest of us that brain training games are useless.