Back in the lab with Gabby - discussing the life-cycle of her bumble bees! Full list of bumblebee videos at: http://bit.ly/130p1z1 This video was filmed and edited by James Hennessy. Test Tube is a project by video journalist Brady Haran for the University of Nottingham. More at http://www.test-tube.org.uk/ Brady's other channels include: null (Chemistry stuff) null (Physics and astronomy) null (Computer stuff) null (Numbers and maths) null (Space stuff) null (Science and behind the scenes) null (Food science) null (Big science facilities) null (Favourite scientists) null (Academic look at the Bible) null (Modern language and culture) null (Philosophy stuff) null (Psychology stuff)