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Rocky Mountain snow is contaminated, study shows

Mountain snowpacks accumulate snow throughout the winter, building up stores of water that will supply communities across the American West throughout the long dry season. Now, a new study shows that as storms carry snow to the Rocky Mountains, they are also bringing mercury

Widely used fungicide poses threat to sparrow chicks

A French team coordinated by a scientist at CNRS highlights the harmful impact on sparrow reproduction of chronic exposure to tebuconazole, one of the most widely used fungicides in agriculture in Europe. These findings, recently published in Environmental Research, reveal a

How do coconuts get their water?

Coconut trees are iconic plants found across the world's tropical regions. They're called "nature's supermarket" or the "tree of life" in several cultures because every part of the coconut tree is used. Its leaves can be used to thatch homes, its heart can be eaten and its

Sampling the plumes of Jupiter's volcano moon, Io

What can a sample return mission from Jupiter's volcanic moon, Io, teach scientists about planetary and satellite (moon) formation and evolution? This is what a recent study presented at the 56th Lunar and Planetary Science Conference (LPSC 2025) hopes to address as an

How can we find cryovolcanoes on Europa?

In the 1970s, NASA's Voyager probes passed through Jupiter's system and snapped pictures of its largest moons, also known as the Galilean moons. These pictures and the data they gathered offered the first hints that a global ocean may be beneath Europa's icy crust. Moreover,

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 is seen as an apparent shift in the position of stars

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 Research, Sowby and Siegel lay out nine rivers and