When There Were Squid Shells
Ancient squid had shells, but now they don’t. How did that happen and why? Find out in this video about squid shells, from PBS Eons.
Month: April 2018
Cooking, Evolution, and Brain Growth
Cooking establishes the difference between animals and people. In fact, we’re not the only social animals that sit down to…
Fire Management in California’s Chaparral Harms Birds
A fire management practice known as mastication, or mechanically crushing vegetation to prevent forest fires, threatens bird communities.