News
- Earth
Macho Moms: Perchlorate pollutant masculinizes fish
Perchlorate, a compound best known as a component of rocket fuel, can disrupt sexual development in fish.
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Bad Vibrations? Ultrasound disturbs mouse brains
Prolonged and frequent use of fetal ultrasound might lead to abnormal fetal brain development, a study in mice suggests.
- Tech
Glare gives silicon goose bumps
New experiments show that fluorescent lights cause undesirable bumpiness on the surface of silicon, identifying what may be a previously unrecognized cause of flaws in microchips that could become increasingly important.
- Earth
Obsidian artifacts can record ancient climate
The layer of hydrated material that forms on the surface of ancient obsidian artifacts as they age can be used to estimate the temperatures that the artifacts have experienced.
