Though today cephalopods are best known as soft-bodied creatures such as squid and...
Hot, Cold, Fresh, Salty
An observer on the seashore may make the mistake of thinking that all ocean...
Tue, 07/10/2018 - 13:39
Ice Melt at the Poles
It’s confirmed: both Antarctica and Greenland are losing ice—around 350 billion...
Like a cake, the ocean has different layers—each with its own characteristics....
Biomes: Wild Arctic
This lesson investigates how sea ice is critical to the plants and animals that...
Tue, 07/19/2011 - 16:03
Gulf Coast oil spill
Satellite view of the Gulf Coast oil spill off of Louisiana, April 29, 2010.