Periodicals>Magazine Article:  Jepsen, Glenn Lowell (1964), 'Riddles of the Terrible Lizards', , American Scientist , (1964) 52, 231. , Retrieved on 2012-06-06

Memes

06 JUN 2012

 Reasons the Dinosaurs Went Extinct

Why Become Extinct? Authors with varying competence have suggested that dinosaurs disappeared because the climate deteriorated (became suddenly or slowly too hot or cold or dry or wet), or that the diet did (with too much food or not enough of such substances as fern oil; from poisons in water or plants or ingested minerals; by bankruptcy of calcium or other necessary elements). Other writers have put the blame on disease, parasites, wars, anatomical or metabolic disorders (slipped vertebral ...
  1  notes

A long list of crazy hypotheses.