People compare how aliens would reconstruct animals based on their skulls vs. what they really look like (28 pics) About 500 million years ago, not a single creature had a skull. Over time, these bony ...

Erik Irmer has been documenting the spread of invasive plant and animal species that disrupt native ecology across Europe. He focuses on humans’ interactions with these plants and animals. Aliens is p ...

"This supplement ... is the proceedings of Glasgow Natural History Society's 150th Anniversary Conference, held in the University of Glasgow on 15-16th June 2001"--P. ii. Cover title. Issued as ...