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Latest SPEAr Stories

2014-05-06 12:22:08

ARLINGTON, Va., May 6, 2014 /PRNewswire-USNewswire/ -- American Trucking Associations is pleased to welcome Christopher Spear as the association's newest vice president and chief of legislative affairs. http://photos.prnewswire.com/prnvar/20100129/ATALOGO "Chris has a long career on Capitol Hill and in the federal government and we're thrilled to have him as part of our advocacy team," said ATA President and CEO Bill Graves. "Chris also brings a wealth of experience from the...

2012-07-19 11:18:43

Unique arm morphology in Neanderthals was likely caused by scraping activities such as hide preparation, not spear thrusting as previously theorized, according to research published July 18 in the open access journal PLoS ONE. The researchers, led by Colin Shaw of the University of Cambridge, took muscle measurements of modern men performing three different spear thrusting tasks and four different scraping tasks. They found that muscle activity was significantly higher on the left side of...

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2009-07-21 09:29:02

The wound that ultimately killed a Neandertal man between 50,000 and 75,000 years was most likely caused by a thrown spear, the kind modern humans used but Neandertals did not, according to Duke University-led research. "What we've got is a rib injury, with any number of scenarios that could explain it," said Steven Churchill, an associate professor of evolutionary anthropology at Duke. "We're not suggesting there was a blitzkrieg, with modern humans marching across the land and executing the...


Word of the Day
tesla
  • The unit of magnetic flux density in the International System of Units, equal to the magnitude of the magnetic field vector necessary to produce a force of one newton on a charge of one coulomb moving perpendicular to the direction of the magnetic field vector with a velocity of one meter per second. It is equivalent to one weber per square meter.
This word is named for Nikola Tesla, the inventor, engineer, and futurist.