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Latest SPEAr Stories

spear tips study
2014-09-01 02:00:59

Benjamin Schoville, Arizona State University Attaching a stone tip onto a wooden spear shaft was a significant innovation for early modern humans living around 500,000 years ago. However, it was also a costly behavior in terms of time and effort to collect, prepare and assemble the spear. Because stone tips break more frequently than wooden spears, they require more frequent replacement and upkeep, and the fragility of a broken point could necessitate multiple thrusts to an angry...

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
tessitura
  • The prevailing range of a vocal or instrumental part, within which most of the tones lie.
This word is Italian in origin and comes from the Latin 'textura,' web, structure.