Imagine yourself at the dentist getting your wisdom teeth removed, wondering why do we have them? Greg Foot explains they are a hangover from our evolutionary past. To find out how much we've evolved check out James May's video on evolution: http://youtu.be/KVy5aO2DHmI Or have you ever wondered why we have fingernails? Check out Greg Foot's video: http://youtu.be/ytHsDlmAo0g http://www.youtube.com/user/Headsquee... http://www.youtube.com/subscription_c... Greg Foot Answers Your Questions: An entirely interactive show, every week Science Daredevil Greg Foot answers the questions that our audience have sent in through YouTube comments, Tweets, and facebook posts. Make sure you keep asking us questions in the comments!
Why do we have wisdom teeth? | Greg Foot Answers Your Questions (Ep 12) | Head Squeeze - YouTube |
| 2,539 Likes | 2,539 Dislikes |
| 70,713 views views | 908,933 followers |
| Entertainment | Upload TimePublished on 26 Aug 2013 |
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