News

Paleontology

New dating of dino ancestor challenges Triassic timeline

New dates for geologic layers of well-known fossil formation show that dinosaurs and their ancient relatives were separated by less time than researchers thought.

Genetics

DNA editing shows success in mosquito sterilization

A new gene drive that sterilizes females could reduce numbers of malaria mosquitoes

Health & Medicine

High-potency pot smokers show brain-fiber damage

People who smoke potent pot had signs of damage in a brain communication link.

Chemistry

‘Q-carbon’ may offer quick route to diamonds

Q-carbon might be the third form of solid carbon, but some scientists have doubts.