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Snake Eyes: Threats Cause Change In Blood Flow To The Eyes In Snakes
2013-11-05 04:13:07

April Flowers for redOrbit.com - Your Universe Online Snakes can optimize their vision when they perceive a threat by controlling the blood flow to their eyes, according to a new study from the University of Waterloo. The coachwhip snake's visual blood flow patterns change depending on what is in its environment, according to Kevin van Doorn, PhD, from the School of Optometry & Vision Science, and Professor Jacob Sivak, from the Faculty of  Science. “Each species' perception...


Word of the Day
monteith
  • A large punch-bowl of the eighteenth century, usually of silver and with a movable rim, and decorated with flutings and a scalloped edge. It was also used for cooling and carrying wine-glasses.
  • A kind of cotton handkerchief having white spots on a colored ground, the spots being produced by a chemical which discharges the color.
This word is possibly named after Monteith (Monteigh), 'an eccentric 17th-century Scotsman who wore a cloak scalloped at the hem.'
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