News
- Health & Medicine
Sun up
Men with lower concentrations of vitamin D have higher risk of heart attack.
- 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. The method allows researchers for the first time to estimate the weight of these black holes in spiral galaxies up to 8 billion light-years away, or halfway across the universe, reports Marc Seigar […]
- Space
Outsiders look in
Astronomers stitch together the most detailed infrared picture of the inner Milky Way.
-
- Earth
A rapid rise for the Andes
New evidence suggests that the South American mountain chain shot up 2.5 kilometers in a geological blink of an eye.
- Health & Medicine
Tame-walk potion
A one-two sting and a cockroach lets a wasp lead it like a dog on a leash.
-
- Space
Dispatch from Mars, Sol 9
The Phoenix Lander's robotic arm scoops its first experimental sample, and scientists prepare to start their scientific studies on the Martian soil.
-
