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Prehistoric Toothy Predators Had Beefier Arm Bones
2012-01-04 10:51:55

[ Watch the Video ] The combination of colossal canines and forceful forelimbs arose repeatedly over time, says a new study The toothiest prehistoric predators also had beefier arm bones, finds a new fossil study. Sabertooth tigers may come to mind, but these extinct cats weren't the only animals with fearsome fangs. Take the false sabertooth cats – also known as nimravids – and their catlike cousins, a family of carnivores called the Barbourofelidae. Both of these...


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.