How dangerous is extreme heat to humans?

The media reporting around heat waves that have hammered the northern hemisphere has been unequivocal: the simultaneous record-breaking heat has "pushed the limits of human survival."

Does the Milky Way's supermassive black hole have a companion?

At the heart of our galaxy, there is a monster black hole. Known as Sagittarius A*, it has a mass of 4.2 million suns, and it's only about 27,000 light-years from Earth. Sag A* is the closest supermassive black hole, and ...

Euclid space telescope to shed light on the darkness

On 1 July, the Euclid space telescope will start its journey into outer space on an important mission—to seek further clues about the origin of the universe. UZH researchers are involved in the scientific preparation and ...

Are viruses keeping sea lice at bay in wild salmon?

More than 30 previously unknown RNA viruses in sea lice have been identified by University of British Columbia (UBC) researchers. Sea lice are parasitic copepods (small crustaceans) found in many fresh and saltwater habitats, ...

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