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�鶹��ý. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Physics

Heat can flow backwards in a gas so thin its particles never touch

A surprising reversal of our usual understanding of the second law of thermodynamics shows that it may be possible for heat to move in the “wrong” direction, flowing from a cold area to a warm one

News

Physics

We've seen particles that are massless only when moving one direction

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Physics

There may be a cosmic speed limit on how fast anything can grow

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Physics

Cloud-inspired material can bend light around corners

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Physics

Quantum batteries could give off more energy than they store

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Physics

Quantum 'Schrödinger's cat' survives for a stunning 23 minutes

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UNSPECIFIED - CIRCA 1754: Marie Curie (1867-1934) Polish-born French physicist in her laboratory in 1912, the year after she received here second Nobel prize, this time for chemistry. (Photo by Universal History Archive/Getty Images)

Physics

Rich biography of Marie Curie shows how she helped women into science

Culture

Solving Stephen Hawking’s black hole paradox has raised new mysteries

Physics

Solving Stephen Hawking’s black hole paradox has raised new mysteries

Features

Physics

The laws of physics appear to follow a mysterious mathematical pattern

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Physics

Indestructible quantum rifts can exist in two places at once

Researchers used a collection of charged atoms to create a quantum superposition of an exotic type of defect

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Physics

Quantum theory is challenging long-standing ideas about entropy

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Physics

Tiniest 'ruler' ever measures distances as small as an atom's width

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Physics

This test could reveal whether gravity is subject to quantum weirdness

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Physics

Certain quantum systems may be able to defy entropy's effects forever

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