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Latest Sarah Dalesman Stories

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2010-06-30 07:41:56

Canadian scientists have identified which environmental stress conditions encourage pond snails to remember and which make them forget Predator scent enhanced the ability of pond snails (Lymnaea stagnalis) to form memory following training, whilst overcrowding and reduced calcium had a blocking effect. "Understanding when stress blocks or enhances memory in a simple animal model may help elucidate the mechanisms in more complex animals such as humans", explained Dr Sarah Dalesman. The...


Word of the Day
omphalos
  • The navel or umbilicus.
  • In Greek archaeology: A central boss, as on a shield, a bowl, etc.
  • A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.
'Omphalos' comes from the ancient Greek.
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