News
- Health & Medicine
Microbicide thwarts AIDS virus in monkey test
A microbicidal gel applied vaginally prevents some transmission of the AIDS virus in monkeys.
- Astronomy
Cosmic Blowout: Black holes spew as much as they consume
Supermassive black holes at the cores of galaxies can blow out as much material as they swallow, creating high-speed winds that may seed the universe with oxygen, carbon, iron, and other elements essential for life.
- Earth
Wrong Number: Plastic ingredient spurs chromosomal defects
The primary chemical in some plastics causes female mice to produce eggs with abnormal numbers of chromosomes.
- Materials Science
A New Cool: Prototype chills fast and electrifies, too
Researchers have incorporated an efficient thermoelectric material into a prototype device that can cool or produce electricity.
