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2010-08-17 08:43:39

Solitary snails change their dating and mating strategy when danger is near Solitary snails in search of a mate put off parenthood as long as possible in the hopes that a partner will appear. But when Physa acuta snails smell predators, they don't wait as long for a mate. Scared snails settle for single parenthood much sooner than their calm counterparts, says a new study by biologist Josh Auld of the National Evolutionary Synthesis Center in Durham, NC. "They can't wait for a mate...


Word of the Day
tesla
  • The unit of magnetic flux density in the International System of Units, equal to the magnitude of the magnetic field vector necessary to produce a force of one newton on a charge of one coulomb moving perpendicular to the direction of the magnetic field vector with a velocity of one meter per second. It is equivalent to one weber per square meter.
This word is named for Nikola Tesla, the inventor, engineer, and futurist.