Encyclopedia > Unsolved problems in biology

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Unsolved problems in biology

Unsolved problems in biology include:

  1. Are the conditions necessary for the origin of life narrow or broad?
  2. Why is it necessary for mammals to sleep?



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Thomas a Kempis

... and died near Zwolle (52 miles east-north-east of Amsterdam) in 1471. His paternal name was Hemerken or Hammerlein, "little hammer." In 1395 he was sent to the school ...

 
 
 
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