Uncategorized
- Humans
Letters from the April 16, 2005, issue of Science News
Ax questions, hard answers Another hypothesis for the polish on the Stone Age corundum ax head is that the Stone Age people never had absolutely pure corundum, which indeed would have required diamond to polish (“In the Buff: Stone Age tools may have derived luster from diamond,” SN: 2/19/05, p. 116). It is possible that […]
- Health & Medicine
Smelly garlic: A lung tonic?
Fresh garlic or its powdered equivalent might prevent a potentially lethal condition in which pulmonary blood pressure is selectively elevated.
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Breath training aids sprint power
Breath training may help athletes who perform short, high-intensity activities such as sprinting.
