Quirks and Quarks

Apr 24: Mars helicopter, Narwhal tusks and pollution, T. rex in their billions and more…

Airborne COVID, and what we need to know about geoengineering

Airborne COVID, and what we need to know about geoengineering

A T. Rex skeleton stands inside a museum.
A cast of a T. rex skeleton on display outside the UC Museum of Paleontology. New research questions whether the T. Rex was smart enough to use tools, hunt in packs and pass down knowledge. (UC Berkeley Keegan Houser)