News
- Astronomy
Gauging Star Birth: Spacecraft uses gamma rays as stellar tracer
Using radioactive material spewed into space by dying stars, astronomers have measured the star-formation rate in our galaxy over the past few million years.
- Earth
Mass movement
Two satellites designed to note small changes in Earth's gravitational field detected effects of the magnitude 9.3 earthquake that occurred west of Sumatra on Dec. 26, 2004.
- Physics
Quantum Chip: Device handles ions as if they were data
A new microchip can trap and move an ion, preliminary steps toward carrying out quantum computations on a chip.
- Animals
Locust Upset: DNA puts swarmer’s origin in Africa
The desert locust was not an ancient export from the Americas, according to a new DNA analysis.
