News
- Life
Simple body, complex blueprints
Genes key to the development of modern animals' body plans show up in primitive-looking comb jellies.
- Health & Medicine
Wake up and smell the java
The smell of coffee leads to changes in gene activity in sleep-deprived rats, hinting at the molecular basis for the relaxing effect of the aroma seen in experiments.
- Archaeology
Acrobat’s last tumble
Sacrificial offerings in an ancient Mesopotamian building included a beheaded acrobat, a new skeletal analysis suggests.
- Space
Sizing up black holes
ST. LOUIS—Astronomers are all wound up over a new method for sizing up supermassive black holes found at the cores of galaxies.
