News
- Ecosystems
Fierce invader steals nests from a native fish
The round goby, a Eurasian fish that has invaded the Great Lakes, is causing the decline of the mottled sculpin by displacing the native from its spawning sites.
- Materials Science
Materials use nitric oxide to kill bacteria
A novel coating may offer a new way to fend off microbial buildup on catheters, artificial hips, and replacement cardiac valves.
- Materials Science
Speed demon gets hooked on silicon
A method for coating silicon with high-performance semiconductors such as gallium arsenide may make faster, low-power microcircuits both cheaper and more widespread.
- Earth
Bt Corn Risk to Monarchs Is ‘Negligible’
A much-anticipated report states that the most commonly planted forms of genetically engineered Bt corn pose only a "negligible" risk to monarch butterfly populations.
