01/04/2025

A dramatic Einstein ring seen by Webb

One of the first verified predictions of general relativity is the gravitational deflection of starlight. The effect was first observed in 1919 during a total solar eclipse. Since stars appear as points of light, the effect ...

A classification of drugs based on their environmental impact

Scientists at the University of Lausanne (UNIL) and University center Unisanté classified 35 commonly used drugs in Switzerland based on their impact on the aquatic biodiversity. The aim of this research is to provide medical ...

The rivers that science says shouldn't exist

Rivers join downstream, flow downhill, and eventually meet an ocean or terminal lake: These are fundamental rules of how waterways and basins are supposed to work. But rules are made to be broken. In the journal Water Resources ...

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