Day 11: Older killer whales make best moms

 
I silenced my Inner Rational Scientist here, and went for the cute factor. How could I resist?
There actually is some science. It appears killer whale calves born to older mothers may be in better … um, flippers.

Day 3: Choking the Oceans

 
Global warming has the potential to dramatically expand the oceans’ so-called dead zones, oxygen-poor areas that fish avoid and where less mobile organisms like clams and crabs can’t survive.
Most dead zones are located where rivers empty into the ocean, dumping agricultural fertilizers and other pollutants. A new study by a team of Danish researchers, released yesterday in [...]