Global warming: The oceans are in danger of collapsing

If we are not successful in significantly reducing worldwide CO2 emissions, marine biologists expect severe damage to the oceans' habitat. The economic consequences would also be clearly noticeable.

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ISS: Mussel blood in outer space

The common mussels off the coast of Sylt are not exactly famous for getting around. But several of them have managed to take a voyage of around 40 million kilometres in the first three months of 2015 – on board the International Space Station ISS.

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Portrait: Tackling the root causes of cancer

Andreas Trumpp conducts research on cancer stem cells. Tumours grow out of them, and the dreaded metastases are most likely attributed to them as well. Medical techniques have, to date, been able to do very little to stop them.

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HELMHOLTZ extreme: The most precise map of the world

The Planet Earth in 3D, and more precise than ever before! Research scientists create, with the aid of two satellites, a map of the world that has 30 times more precision.

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Q&A: How long does the birth of a star take?

A heavenly body is considered to be a star when it begins to convert hydrogen into helium in its core. But how long does its formation take? Alois Himmes, project director at Stratosphere Observatory for Infrared Astronomy (SOFIA) and staff member at the German Aerospace Center (DLR) provides this answer.

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