News
- Materials Science
Worm’s teeth conceal odd mineral material
A worm's teeth contain a copper mineral that could serve as a model for new materials.
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Memory grows up in 1-year-olds
As children enter the second year of life, they exhibit a marked improvement in recalling simple events after a 4-month delay, perhaps reflecting the growth of memory-related brain areas.
- Astronomy
Milky Way black hole gets real
Tracing the path of a star orbiting near the center of our galaxy, astronomers have found the best evidence to date that a supermassive black hole lies at the Milky Way’s core.
- Astronomy
Cosmic rays from the solar system
Dust grains from the Kuiper belt, a storehouse of comets and other frozen bodies in the outer solar system, are the source of some of the lower energy cosmic rays that bombard Earth.
