Latest Edward Kravitz Stories

2009-07-16 13:47:04

U.S. scientists using a new form of high-resolution laser mass spectrometry say they have discovered a new fruit fly pheromone. Scientists led by Professor Edward Kravitz at the Harvard Medical School said they were scanning the surface of fruit flies when they discovered the previously unidentified pheromone -- CH503 -- that contributes to the anti-aphrodisiac effects observed in female fruit flies after copulation. The researchers said the anti-aphrodisiac effect of copulation had been...

Word of the Day
  • 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.