News

Planetary Science

Cassini finds liquid ethane on Titan

After years of speculation, planetary scientists have now confirmed that Titan has at least one lake made of liquid ethane.

Life

How the snake got its fangs

A study of snake embryos suggests that fangs evolved once, then moved around in the head to give today’s snakes a variety of bites.

Health & Medicine

Calcium’s possible role in Alzheimer’s

A new study in mice finds that plaques associated with Alzheimer’s wreak havoc on calcium’s role in cell signaling.

Paleontology

Soft tissue in fossils still mysterious

New research suggests modern biofilms could contaminate ancient fossils.