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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.'
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'Every time I mention this developmentally significant molecule, Sonic hedgehog, I get a volley of questions about whether it is really called that, and what it does… a brief introduction to the hedgehog family of signaling molecules.'
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