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19 December 2013 12:36 pm ,
Vol. 342 ,
After 20 years of trying, researchers have finally convicted massive volcanic eruptions in Siberia as the culprit in...
Five federally funded optical and radio telescopes in the United States could be forced to shut down over the next 3...
A 2-year budget agreement pushes back the threat of sequestration but leaves scientists still wondering how much money...
After a decade away from physics, Robert Laughlin, a Nobel laureate at Stanford University in Palo Alto, California,...
Computer scientists and others have teamed up to persuade the 117 state parties to the Convention on Certain...
The swine flu pandemic of late 2009 had a peculiar aftereffect in parts of Europe: a spike in children being diagnosed...
- 19 December 2013 12:36 pm , Vol. 342 , #6165
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ScienceShot: How Strong Is a Man? Listen to His Voice
15 June 2010 7:03 pm
Men beware: Your voice could give away how often you hit the gym. Researchers recorded men from different backgrounds—the Tsimane Indians of Bolivia, Andean farmers in Argentina, and both U.S. and Romanian college students—speaking a short phrase such as "This is an experiment, over and out," in their native language; they also measured the circumference of each man's flexed bicep. Using a seven-point scale, American men and women could accurately estimate each man's relative strength when listening to the recordings, the team reports online tomorrow in the Proceedings of the Royal Society B. The researchers didn't determine exactly what vocal quality gives the guys away, but since the effect holds across cultures, it probably evolved long ago. The researchers think the capacity allowed our ancient ancestors to assess a sparring partner's fighting ability when visual cues were insufficient, such as when light was dim or a rival was far away.
See more ScienceShots.