Résultats de "Alison Pearce Stevens" dans Toutes les catégories

Twelve million years ago, rhinos, elephants, and camels roamed North America. They would gather at nearby watering holes - eating, drinking, and trying not to become someone else’s lunch. But one day, in what we now know as Nebraska, everything changed. The explosion of a supervolcano a thousand miles away sent a blanket of ash that buried these animals for millennia. Until 1953, when a 17-year-old farm worker made an unbelievable discovery.

In the dark! Find the lights in the scary night. What do sheep count to fall to sleep? Enjoy a silly story about when the lights go out...dancing. Learn how bats fly at night and how they drink water in flight. 

This examines the scientific process German scientists went through to answer the question how bats drink at night. 

 This story is about fat dormice or "seven sleepers", animals related to squirrels. They hibernate for seven or eight months of the year, slowing their breathing and heart rates to save energy.