Scientists say dimming the sun could spark global chaos

An idea once dismissed as science fiction — cooling Earth by scattering sunlight-reflecting particles into the upper atmosphere — is now being taken seriously by researchers. This proposed technique, called stratospheric aerosol injection (SAI), aims to offset global warming by mimicking the cooling effect of volcanic eruptions. Hundreds of scientific models have explored how it…

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Brain fog during menopause? Here’s what’s really going on

Many women going through menopause report experiencing what they describe as “brain fog,” a mix of forgetfulness, reduced focus, and mental fatigue. These symptoms are thought to stem in part from hormonal fluctuations that occur during this transition. To better understand the connection, researchers conducted a review of existing studies examining how menopause affects brain…

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A new home for building AI skills

How you can use Google Skills Learn from experts across Google: People have completed more than 26 million courses, labs and credentials in the past year alone — and now they’re all in one place. You might begin with an entry-level Google AI Essentials course from Grow with Google, then advance to a learning path…

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Scientists stumble on a hidden quantum trick in 2D materials

When arranged in just the right ways, two-dimensional materials can display unusual and valuable quantum effects such as superconductivity and exotic types of magnetism. Understanding why these effects arise, and how to control them, remains one of the biggest challenges for physicists and engineers. A new study published in Nature Physics has uncovered a previously…

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L’Oréal ‘ready to consider talks with Armani Group’, says its chief executive

By AFP Published October 21, 2025 L’Oréal is “ready to consider discussions with the Armani group as set out in Mr Armani’s will”, which envisages an initial 15% stake, according to the cosmetics group’s CEO, Nicolas Hieronimus. Nicolas Hieronimus – L’Oreal On Sunday, L’Oréal announced the biggest acquisition in its history: the €4 billion purchase…

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Eight countries added to Foreign Office warning list

Getty Images Eight countries have been added to a UK Foreign Office list warning of the risks of methanol poisoning from counterfeit or tainted alcoholic drinks. Ecuador, Japan, Kenya, Mexico, Nigeria, Peru, Russia and Uganda are included in the updated travel guidance following incidents involving Britons in those countries. The advice previously covered Thailand, Laos…

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Carlyle Italy’s Marco De Benedetti: “To build a €1 billion company, the product alone is not enough”

Published October 21, 2025 “It is not impossible to build a €100 million company if you have an innovative product idea that aligns with people’s tastes. But if you want to build a €1 billion company, the product alone is no longer enough,” said Carlyle Italy chairman and one of the architects of Moncler‘s success Marco De Benedetti, speaking…

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