News
- Anthropology
Neandertals may have grown up quickly
A new analysis of fossil teeth indicates that Neandertals grew to maturity at a faster pace than people do.
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Nicotine limits cold adaptation
A new study homes in on why smokers may have a harder time staying warm in frigid environments.
- Physics
After 40-year prep, gravity test soars
The Gravity Probe B satellite, which was built to test aspects of general relativity, finally hurtled into space.
- Astronomy
Closing In on a Monster: A black hole’s dusty environs show themselves
The first clear picture of the immediate surroundings of a supermassive black hole confirms that these gravitational monsters hide behind thick belts of dust.
