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Monkey Drumming Suggests the Origin of Music

monkey-music When monkeys drum, they activate brain networks linked with communication, new findings that suggest a common origin of primate vocal and nonvocal communication systems and shed light on the origins of language and music.

In the wild, monkeys known as macaques drum by shaking branches or thumping on dead logs. Similar behavior has been seen in non-human primates — for instance, gorillas beat their chests and clap their hands, while chimpanzees drum on tree buttresses.

In the lab, scientists noted that rhesus macaque monkeys drummed using artificial objects such as cage doors by shaking them vigorously or slapping or banging them against surfaces, often with accompanying threatening sounds, postures and facial expressions. Only the largest and dominant monkeys drummed, suggesting that drumming was used to communicate messages about power and status — the louder the drumming, the bigger and stronger the macaque likely is.

India Asteroid Killed Dinosaurs, Made Largest Crater?

asteroid-impact-india-dinosaurs_big

A three-dimensional reconstruction shows the submerged Shiva crater, a 300-mile-wide (500-kilometer-wide) depression off India's western coast. The crater may be proof that the dinosaurs were killed off by an asteroid double whammy, according to a new theory presented in October 2009. Picture courtesy Sankar Chatterjee, Texas Tech University.

Environmental Pollution and Public Health Call for Papers

EPPH2010

The International conference on Environmental Pollution and Public Health (EPPH2010), which is a special track within iCBBE 2010, will be held from June 21st to 23rd, 2010 in Chengdu, China. You are invited to submit papers in all areas of environmental pollutions and related health problems. As we did in EPPH 2009 and 2008, all papers accepted will be included in IEEE Xplore and cited by Ei Compendex and ISTP.

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Hi all, I'm a Geotechnical Engineer (Class 1 RSE, Senior engineer of Civil 2007 before) that aims to develop economical solutions to technical problems. Also link between scientific discoveries and the commercial applications that meet societal and consumer needs.
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