The UK's Met Office says cutting global emissions by 3% a year from 2010 offers the only possible hope of avoiding a global temperature rise of more than 2C.
Super-bright black holes could reveal if the universe is pixelated
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Space-time may not be continuous but instead made up of many discrete bits
– and we may be able to see their effects near the edges of unusually
bright bla...
3 hours ago
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