Articles on Rain

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How did early cells keep themselves distinct while allowing for some amount of exchange? UChicago Pritzker School of Molecular Engineering/Peter Allen, Second Bay Studios

Rain may have helped form the first cells, kick‑starting life as we know it

The earliest cells likely didn’t have membranes to separate and protect their components and chemistry away from a harsh surrounding environment. But they may have made do with rain.
Atmospheric rivers are long filaments of moisture that curve poleward. Several are visible in this satellite image. Bin Guan, NASA/JPL-Caltech and UCLA

Atmospheric rivers are shifting poleward, reshaping global weather patterns

These powerful ‘rivers in the sky’ provide a huge share of annual precipitation in many regions, including California. They can also melt sea ice, with global climate implications.
Highway 4 crosses Lake Diefenbaker at Saskatchewan Landing Provincial Park. Lake Diefenbaker is a part of the South Saskatchewan river basin which faces unprecedented levels of reduced water flows in 2024. THE CANADIAN PRESS/Michael Bell

Water woes in southern Alberta could spell disaster for aquatic ecosystems, and the people who rely on them

Declining precipitation, climate change and governance failures will drive water flow scarcity in 2024 with serious implications across Western Canada.
A motorist stops to survey the damage to a washed-out roadway near McKay Section, N.S. on July 23, 2023. A long procession of intense thunderstorms dumped record amounts of rain across a wide swath of Nova Scotia, causing flash flooding, road washouts and power outages. THE CANADIAN PRESS/Darren Calabrese

Flood risk mapping is a public good, so why the public resistance in Canada? Lessons from Nova Scotia

Public concerns for real estate value, and a focus on the self, make flood risk maps unpopular. However, these concerns should not dissuade governments from providing resources we can all trust.

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