2010: the year in science

It has been an exciting time for scientific progress. Tom Chivers selects the highlights .

It has been a big year for E.T. – or has it? In September, an astronomer claimed it was “100 per cent” definite that life existed on Gliese 581g, a small, rocky planet in just the right orbit for life. This month, rumours of a new form of life on our own planet swept the internet.

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