Sediments from Scotland hint that ocean-atmosphere interactions continued more than 600 million years ago despite widespread ice.
The framework predicts how proteins will function with several interacting mutations and finds combinations that work well together.
A flexible tongue, sensitive beak and teethlike cones in the mouth may have helped Archaeopteryx generate enough energy to fly.
Breast exams, birth control and family planning are just some of the reasons not to skip your annual ob-gyn appointment.