Scientists have discovered that all sorts of females – from birds to reptiles to insects – have a nifty trick to prolong the lifespan of sperm, letting them store it for weeks, months or even years on end. They found that females do this by lowering the metabolic rate of sperm, so it can survive in their bodies almost indefinitely.
26 January 2012
Lyme disease turns out to be more common than we thought.
25 January 2012
New approach assesses how research affects real-life issues.
24 January 2012
Scientists discover enormous dome of fresh water in the Arctic Ocean.
23 January 2012