Science

Bill Gates breaks ground on first Gen-IV nuclear plant in the US

Bill Gates has helped break ground to mark the construction of the first next-generation nuclear reactor in the United States. The joint project by TerraPower and the Department of Energy plans to build a sodium test reactor in Kemmerer, Wyoming by 2030.

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X-rays light up brain tumor cells – then selectively destroy them

Using very low-dose X-rays to activate compounds that light up and generate cancer-killing free radicals stalled brain tumor growth and doubled survival time, according to a new study. Importantly, healthy cells were left unaffected.

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The sky-high mountain superhighway used by billions of tiny travelers

This serene gap between Pyrenees mountains becomes abuzz with flying insects each year, as they journey across Europe. We may not always like to live with them, but we can't live without them – so paths like this are critical for all life on Earth.

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Spacetime defects uncouple gravity from mass in dark matter alternative

Despite a century of searching, dark matter remains a no-show. A new paper proposes an alternative hypothesis, showing how gravity could exist without mass and produce many of the same effects we ascribe to dark matter.

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‘Forgotten’ greenhouse gas levels surge 40% since 1980

The fertilizer used on around half of the food we consume is now one of the biggest drivers of human-made greenhouse gas emissions, with China, India, the US, Brazil and Russia the biggest polluters, according to a new global nitrous oxide report.

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AI discovers new rare-earth-free magnet at 200 times the speed of man

As some entities identify new sources to meet the demand for rare earth materials, others are looking to new tools. Materials Nexus has designed a new rare-earth-free permanent magnet help from its AI platform – at record pace.

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Satellites spot strange sky glow that only comes out after midnight

If you’re planning to see the aurora soon, keep an eye out for a brand new type of sky glow that’s just been discovered. This short-lived phenomenon only appears after midnight and seems to be the inverse of something just spotted a few years ago.

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Liftoff: What it’s like attending a Starship launch

Watching a space launch is bucket-list material, and Starship – the biggest, most powerful rocket in history – is a monster spectacle that draws tens of thousands. Joe Salas went to Boca Chica, Texas to catch the latest launch and check out Starbase.

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Poisonous ‘super weed’ created by frequent mowing

Mowing might seem like a pretty sensible way to keep weeds at bay. But in the case of the silverleaf nightshade, the activity puts the plant into survival mode causing it to fight back with some pretty powerful defense mechanisms, says a new study.

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