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Latest Martin Richards Stories

Humans Left Africa Later Than Thought
2013-06-12 08:51:11

redOrbit Staff & Wire Reports - Your Universe Online Modern humans did not leave Africa prior to the massive eruption of Sumatra´s volcano Mount Toba 74,000 years ago, according to a new study appearing in the journal Proceedings of the National Academy of Sciences. Rather, Professor Martin Richards of the University of Huddersfield and colleagues have concluded that genetic evidence supports the belief that they departed for Asia approximately 60,000 years ago. Their findings...


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.