Uncategorized
- Humans
Letters from the May 6, 2006, issue of Science News
Same old grind “Ancient Andean Maize Makers: Finds push back farming, trade in highland Peru” (SN: 3/4/06, p. 132) remarks on maize starch granules being “consistent with” stone grinding. The presence of lowland arrowroot on one tool is consistent with trade, but it is equally consistent with a wandering hunter grabbing a root in the […]
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Wired for math
The same neural circuits that adults use to perform complex calculations are already at work in preschoolers doing basic math.
- Humans
Clinical trials really pay off
Large-scale human trials of new treatments in medicine have the potential to offer huge economic benefits from improved quality of life.
