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Novel technique using stem cells revives damaged eye
In the case of direct transplantation — CLAU (conjunctival limbal autografting), almost 50 per cent of the limbus (6 mm to 8 mm length of the limbus), has to be removed from the healthy eye. Excess removal of stem cells from the healthy eye can permanently damage it. ...
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Venus is the brighter of the two, and Jupiter will appear to move in a line past it for the rest of the month....
Trouble at the text mine
Computers can rapidly scan through thousands of research papers to make useful connections, but work is being slowed by publishers' unease. ...
Adding a twist to radio technology
Spiralling radio waves could revolutionize telecommunications....
Citizen science goes 'extreme'
Researchers push for wider use of community-generated data in science and policy-making....
DNA robot kills cancer cells
Device identifies target then releases deadly payload.The nanorobots, as the researchers call them, use a similar system to cells in the immune system to engage with receptors on the outside of cells....
Star light, star bright
Light echoes, first noticed about a century ago, are created when some of the light from distant bright events — such as supernovae — is reflected off surrounding dust, so that it reaches Earth sometimes hundreds of years after the light that took a more direct route....
Fission power back on NASA’s agenda
Space-technology report prioritizes nuclear propulsion.Reactors could support long-lasting experiments on the surface of planets and power missions to the outer Solar System, where the Sun is too distant to provide much power for even the most efficient solar panels. ...
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