YouTube - Adaptive Eyewear - Solving an Invisible Problem
A fabulous idea: 'Adaptive Eyeglasses bring vision correction to literacy programs in Ghana and help people all over the world make their own eyeglasses without aid of an optometrist.'
(del.icio.us tags: spectacles brilliant )
Pharyngula: Basics: Sonic Hedgehog
'Every time I mention this developmentally significant molecule, Sonic hedgehog, I get [...]