Why the meteorites that hit Earth have less water than the asteroid bits brought back by space probes – a planetary scientist explains new research
Water-rich meteorites contain key ingredients for life, yet they barely appear in meteorite collections. Recent research using shooting stars may explain why.
April 14, 2025 • ~8 min
Are twins allergic to the same things?
An allergic reaction happens when your immune system overreacts to something that should be harmless. Whether that happens can be thanks to your genes, your environment or a combination.
April 14, 2025 • ~8 min
What causes the powerful winds that fuel dust storms, wildfires and blizzards? A weather scientist explains
One long line of powerful winds can whip up dust storms, spread wildfires, spin up tornadoes and fuel blizzards – all at the same time across different states.
March 20, 2025 • ~8 min
As mountain glaciers melt, risk of catastrophic flash floods rises for millions
When mountain permafrost thaws and glaciers melt, glacial lakes can become lethal flood risks for anyone downstream.
March 19, 2025 • ~10 min
As mountain glaciers melt, risk of catastrophic flash floods rises for millions − World Day for Glaciers carries a reminder
When mountain permafrost thaws and glaciers melt, glacial lakes can become lethal flood risks for anyone downstream.
March 19, 2025 • ~10 min
Plans to link electricity bills to where you live are unlikely to bring down prices – and that’s a big problem for net zero
‘Zonal pricing’ would not address price distortions caused by gas.
March 17, 2025 • ~8 min
When humans use AI to earn patents, who is doing the inventing?
US patent law says inventors must be human, but they can use AI. This changes the nature of invention and raises the question: Is this what the founders had in mind when they set up the patent system?
March 14, 2025 • ~8 min
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