**Announcement** We Are BBC Earth Lab

We have some exciting news. Brit Lab has joined the BBC Earth family and from today we are BBC Earth Lab. We will continue to answer your science questions and bring you the best of BBC Science from TV past and present.

Whether it's biology, tech, engineering or the science of space we've got you covered. Ask us your curious questions in the comments below.

Check out our sister channels too:

https://www.youtube.com/earthunplugged

https://www.youtube.com/bbcearth

Subscribe for more awesome science - http://www.youtube.com/subscri....ption_center?add_use

http://www.youtube.com/user/HeadsqueezeTV