Uncategorized
- Humans
Letters from the September 25, 2004, issue of Science News
More of less is more The counterintuitive finding that atrazine is more likely to kill tadpoles when it is highly diluted (“Just a Tad Is Too Much: Less is worse for tadpoles exposed to chemicals,” SN: 7/10/04, p. 20: Just a Tad Is Too Much: Less is worse for tadpoles exposed to chemicals) reminds me […]
- Tech
Bartending lessons for microassembly
Engineers have demonstrated the feasibility of quickly assembling identical microcircuit components by agitating subunits in a liquid.
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Marrow cells take up residence in wounds
Bone marrow–derived cells linger in skin wounds much longer than previously thought, aiding in healing.
