Mussels can stick to nearly any kind of surface under water, and researchers have used this to inspire a new glue that can be ‘unglued’ on demand. These could be used to fix leaks in underwater pipelines, seal bleeding wounds during operations, make gels that heal themselves, and would mean that components in computers for example could be ‘unglued’ to replace components or for recycling.
Read the abstract in Angewandte Chemie.
Geek science fact of the day 
interesting! I like how creatures have inspired scientists to amke new glues and materials, like Andre Geim’s adhesive “gecko tape”
Thanks, Ruth – loving the gecko tape! http://www.newscientist.com/article/dn3785-gecko-tape-will-stick-you-to-ceiling.html