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Physics

Why physicists keep trying to get rid of space-time entirely

Physicists are trying to ditch the concept of space-time – the supposed fabric of physical reality. Quantum columnist Karmela Padavic-Callaghan explains why

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Mandatory Credit: Photo by Blue Origin/ZUMA Press Wire/Shutterstock (15255350a) Texas, USA: New Shepard-31 Capsule Recovery with the crew : Katy Perry, American Singer, Aisha Bowe, American aerospace engineer, Lauren Sanchez, American presenter and companion of Jeff Bezos, Kerianne Flynn, American Producer, Gayle King, American journalist, and Amanda N. Nguyen (Amanda Nguyen), Activist. Suborbital launch system and landing mission. This suborbital flight, the 31st in the New Shepard program and the 11th crewed, will extend Blue Origin's initiative to democratize access to space, having already carried 52 people beyond the Karman line. USA. Blue Origin All-Women Crew Historic Space Launch, Texas, USA - 14 Apr 2025

Society

Does science have a future in the US?

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A pile of colourful supplement pills lying on a yellow table top.

Mind

The supplement that really can improve your brain health

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A cyclist unlocks his bike on Silk Street in the City of London, the capital's financial district, on 8th April 2025, in London, England. (Photo by Richard Baker / In Pictures via Getty Images)

Environment

Are ordinary people fighting a losing battle to go green?

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A woman eating a bowl of fruit while wearing exercise clothes

Health

Should your menstrual phase dictate what you eat and how you exercise?

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2G4A579 3D visualization of gravity distorsion, physical objects in orbit, space, general theory of relativity, law of universal gravitation, scientific

Physics

Why I still love reckoning with the quantum gravity problem

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Physics

Where Schrödinger’s cat came from – and why it’s getting fatter

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https://science.nasa.gov/mission/mars-2020-perseverance/ NASA?s Perseverance Mars rover took this selfie, made up of 62 individual images, on July 23. A rock nicknamed ?Cheyava Falls,? which has features that may bear on the question of whether the Red Planet was long ago home to microscopic life, is to the left of the rover near the center of the image. NASA/JPL-Caltech/MSSS

Technology

Could brain-computer interface let us inhabit robot avatars on Mars?

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2CBM20E Humorous blue public toilet sign, Koh Samui, Thailand

Environment

How toilet waste is being rebranded as a valuable resource

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MRI brain scans

Mind

Why you should slow down your brain’s ageing – and how to do it

Many of us have a brain that is older than our years. But there are plenty of things you can do to counteract this, says neuroscience columnist Helen Thomson

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Physics

Why particle physicists are going wild for a record-breaking neutrino

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Health

How we could achieve dog-level sense of smell – and what it would mean

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Technology

How Moore's law led us to a flawed vision of the future

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Physics

Why exactly is the quantum world so weird?

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