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Fossilised egg gives clue to fate of ancient birds

Scientists are hopeful of finding out more about ancient birds and why they died out after extracting DNA from a fossilised elephant bird egg.



800-year-old shipwreck found in Baltic Sea

A dozen shipwrecks that date back centuries – some of them unusually well preserved – have been found in the Baltic Sea by a gas company building an underwater pipeline between Russia and Germany.




Einstein's manuscript of relativity goes on display

The original manuscript of Albert Einstein's theory of relativity, which helps explain everything from black holes to the Big Bang, yesterday went on display in its entirety for the first time. Einstein's 46-page handwritten explanation of his general theory of relativity, in which he demonstrates an expanding universe and shows how gravity can bend space and time, is being shown at the Israel Academy of Sciences and Humanities in Jerusalem as part of the association's 50th anniversary celebration.



Humans must be to blame for climate change, say scientists

Climate scientists have delivered a powerful riposte to their sceptical critics with a study that strengthens the case for saying global warming is largely the result of man-made emissions of greenhouse gases.




Why the dinosaurs died (and it wasn't because they were stupid)

Some say they died out from general stupidity, others argue that they drowned in their own dung or suffered slipped discs and chronically bad backs. But the real reason why the dinosaurs became extinct 65 million years ago has now been identified – a collision with a gigantic asteroid that blocked out the sun and caused an extended global winter.



Roman Circus 'will be fantastic'

This week campaigners reached a £200,000 target in their fight to save Colchester's Roman circus. But it's just the tip of an iceberg of red tape the circus must dodge to survive as a tourist attraction. And while Colchester's leading archaeologist is thrilled the landmark figure has finally been made, he warns there's much more work to be done.