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Latest Karen Warkentin Stories

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2008-11-04 09:05:00

Boston University undergraduate Jessica Rogge and associate professor Karen Warkentin, working at the Smithsonian Tropical Research Institute's laboratories in Gamboa, Panama, discovered that frog embryos at a very early developmental stage actively respond to oxygen levels in the egg

2008-05-20 16:22:23

When our distant ancestors were making their way out from the water, they had to evolve a way to lay their eggs on land. Now a tree frog could help shed light on this mysterious, pivotal moment in history.


Word of the Day
quilisma
  • In medieval musical notation, a sign or neume denoting a shake or trill.
The word 'quilisma' comes from a Greek word meaning 'a roll'.