20/04/2018

Is dark matter made of primordial black holes?

Astronomers studying the motions of galaxies and the character of the cosmic microwave background radiation came to realize in the last century that most of the matter in the universe was not visible. About 84 percent of ...

Stars are born in loose groupings

Based on previously published data from the Gaia Mission, researchers at Heidelberg University have derived the conditions under which stars form. The Gaia satellite is measuring the three-dimensional positions and motions ...

Measuring devices for the world's most extreme environment

Norwegian research scientists are contributing to the development of the world's hottest geothermal well in a non-volcanic area. The goal is to exploit the inexhaustible supply of heat from the interior of the Earth, and ...

The dark side of cichlid fish—from cannibal to caregiver

Cannibalism, the eating of conspecifics, has a rational background in the animal kingdom. It may serve as a source of energy-rich nutrition or to increase reproductive success. Some species do not even spare their own brood. ...

Plastic packaging is often pollution for profit

You benefit from plastic from the moment you get up and use your toothbrush or kettle. Plastic is embedded in agriculture – and it keeps you alive if you end up in hospital. Even some of our money is made from it. Yet I ...

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