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Latest Ole Seehausen Stories

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2008-10-02 12:40:00

Researchers said Wednesday that some colorful cichlid fish in Africa's Lake Victoria formed a new species by adapting their vision, showing that geographical isolation is not essential for divergence. Ole Seehausen, who led the study, said the fish evolved to improve their ability to see food and predators at different depths, and this also affected the way they saw colors and attracted mates. "The split of one species into two was initiated by adaptation of the sensory system, in this case...


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.