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Latest Locke Rowe Stories

Biologists Turn Back The Clock To Understand Evolution Of Sex Differences
2012-05-03 12:44:23

Battles of sexes shown to spur adaptive sex differences Sex differences account for some of the most of the spectacular traits in nature: the wild colors of male guppies, the plumage of peacocks, tusks on walruses and antlers on moose. Sexual conflict — the battle between males and females over mating — is thought to be a particularly potent force in driving the evolution traits that differ in males and females. However, the genetic processes responsible for producing such...

2009-08-13 13:55:00

Water striders, the familiar semi-aquatic bugs gliding across the lake at the cottage, have a novel body form that allows them to walk on water.  This was not always the case.  Achieving the gliding ability required the evolution of a unique arrangement of the legs, with the mid-legs greatly elongated. Scientists at the University of Toronto's Department of Ecology and Evolutionary Biology have discovered the gene behind this evolutionary change.Called the Hox gene, Ultrabithorax,...


Word of the Day
barratry
  • The offense of persistently instigating lawsuits, typically groundless ones.
  • An unlawful breach of duty on the part of a ship's master or crew resulting in injury to the ship's owner.
  • Sale or purchase of positions in church or state.
This word ultimately comes from the Old French word 'barater,' to cheat.
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