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Latest Mark Puttick Stories

Microraptor Paraves Fossil
2014-02-24 05:41:20

The key characteristics of birds which allow them to fly – their wings and their small size – arose much earlier than previously thought.


Word of the Day
sipe
  • a slit in a tire to drain away surface water and improve traction.
The word 'sipe' comes from Old English and is related to 'seep'.
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