Why don't we eat reptile eggs? — Bella, 7, Arizona
melissamayer
Some people do eat reptile eggs. But humans spent thousands of years domesticating birds until we have today's chickens. Read More ...
Ask Dr. Universe
domestication
Would it have been possible to domesticate bears instead of wolves? — Florian, Austria
melissamayer
Wolf biology made them good candidates to live with humans. That includes their social structure and physical needs. Bear biology doesn't work the same way. Read More ...