The Dirt: This Week in Nature (6/2-6/8)

This week’s dirt: Trees pop up in the Tundra, dinosaurs not quite as bulky as previously thought, report connects the sizing down of insects with bird evolution, melting arctic could mean colder winters for those in the Northern Hemisphere, 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.