Using fluoride in drinking water to improve dental health may be less effective now than it was in the past, according to a new major review.
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The Northern Lights may make an appearance over the UK over the next couple of nights, after a series of solar flares erupted from the sun.
A comet that was last seen when Neanderthals roamed the Earth is about to make an appearance again, as it swings through orbit towards us.
X owner Elon Musk is removing bold text from posts appearing on people's timelines because his "eyes are bleeding", according to a new post.
NASA's Mars rover has suffered "abuse" while it has been roaming the red planet, according to the space agency.
It was a grim day for a send-off.
Fears are growing of a serious disruption to the global semiconductor industry, after Hurricane Helene knocked out a facility that provides a critical ingredient for the manufacture of the silicon wafers that are turned into the chips inside all the world's computers.
London 15°C
New York 22°C
Paris 16°C
Tokyo 24°C
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