At first glance, the cost-benefit ratio of a blood-only diet suggests that vampire bats—the only mammals to feed exclusively on the viscous, ruby-red elixir—flew down an evolutionary blind alley.
Evolution
Feb 20, 2018
0
274
Archaeologists who have been exploring the world's largest underwater cave—recently discovered in Mexico—presented their findings Monday, including fossils of giant sloths and an elaborate shrine to the Mayan god of commerce.
Paleontology & Fossils
Feb 20, 2018
0
723
The eruption of Indonesia's Mount Sinabung that shot ash 5 kilometers (3 miles) high also blew away much of the mountain's summit.
Environment
Feb 20, 2018
0
30
An increase in social conflict increases the likelihood of assassinations of political leaders, according to new research co-conducted by faculty at Binghamton University, State University of New York.
Social Sciences
Feb 20, 2018
0
23
