Top 7 science superpowers

The international landscape of science is changing. The rapid growth of scientific output from emerging economic powers, especially China, could re-draw the map.

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What Einstein got wrong

The history books regard Albert Einstein as a genius which is no small wonder: his theories encompass everything from the atom to the cosmos, and underpin technologies from solar cells to sat-nav. But a slew of new discoveries threaten to turn him into the passé professor.