This blue-green microbe called a cyanobacterium was likely the first photosynthetic...
Ice Melt at the Poles
It’s confirmed: both Antarctica and Greenland are losing ice—around 350 billion...
Tardigrades, which are usually less than 1 mm long, can be found in almost every...
Today, carbon dioxide (CO2) levels in our atmosphere are the highest they've been...
Ocean acidification is sometimes called “climate change’s equally evil twin,”...
Lenticulina secans -- this foram lives on the seafloor. This specimen was collected...
Hantkenina mexicana -- a foram with elongated shell chambers that lived between...
What is El Nino?
This activity explores the potential for climate variability and change to trigger...
Fri, 03/19/2010 - 14:51
Caution! Do Not Bleach
Students learn why coral reefs are important, and what possible explanations are...
Mon, 11/30/2009 - 12:46