The Dirt: This Week in Nature (6/16-6/22)

This week’s dirt: new study suggests a warmer, greener Antarctica 20 million years ago, gorilla populations start to rebound after 2004 ebola outbreak, sponge DNA may give us new insight into our central nervous system, new research shows that goat moms know their kids’ voices, and more.

The Dirt: This Week in Nature (5/26-6/1)

New species for 2012 includes sneezing monkey, zebrafish “smell fear”, harvestman spider managed to cross the Pacific Ocean 82 million years ago, tomatoes contain more genes than humans, and more.