Uncategorized
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Letters
Right-left preference In the article “Body in mind” (SN: 10/25/08, p. 24), Dr. Casasanto speaks of results with people who are left-handed or right-handed. But no mention is made of people who are innately ambidextrous, as in my family. Has he worked with any of these people? What about people who are almost ambidextrous but […]
- Life
Step-by-step Evolution
Hard to find, but very fruitful when found, transitional fossils fill in the gaps in the paleontological record.
- Life
A Most Private Evolution
The most dramatic examples of the power of evolutionary theory may come from the strange and ugly stuff — biology too dumb to have been designed.
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- Computing
Computing Evolution
Scientists sift through genetic data sets to better map twisting branches in the tree of life.
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- Humans
Gamers crave control and competence, not carnage
Study turns belief commonly held by video game industry, gamers, on its head.
- Earth
Livestock manure stinks for infant health
Megafarm production associated with infant illness and death rates.
- Life
For worms, one gene can change survival behavior
Natural differences in a single gene cause worms to either eat or avoid harmful bacteria.
- Space
Whiff of Martian methane offers lively possibilities
The definitive discovery in Mars’ atmosphere of methane — often, but not always, a compound hinting at life — introduces the possibility of underground organisms.
- Life
Capuchin monkeys choose the right tool for the nut
New field experiments indicate that wild capuchin monkeys choose the most effective stones for cracking nuts, suggesting deep evolutionary roots for the use of stone tools.
