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91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

A still from the movie Interstellar, which explores themes of time travel.

Video

5 must-see time travel movies reviewed by a metaphysicist

From Back to the Future to Tenet and Interstellar, cinema can explore time travel in many imaginative ways. Metaphysicist, Kristie Miller reviews five of her favourites

Video

A bartender makes a cocktail in a bar

Video

Cocktail science: Mix these drinks and learn about fluid dynamics

Video

Quantum state of matter made with 'dipolar' molecules for first time

Physics

Quantum state of matter made with 'dipolar' molecules for first time

News

Physics

Springs made from rusty metallic glass could power nanorobots

News

Physics

Human cells have a resonant frequency – and it’s just barely audible

News

Physics

Dark stars may be waiting in a mirror universe for us to discover them

News

Physics

Quantum physicists just got more certain about quantum uncertainty

News

Physics

Famous quantum experiment could be shrunk to the size of a single atom

News

Physics

The laws of physics were broken in 2023 - by sperm

News

Snowflakes fall to the ground according to a universal pattern

Physics

Snowflakes fall to the ground according to a universal pattern

After analysing the way half a million snowflakes fell during mountain storms in Utah, researchers found surprising similarities

News

Physics

Video inside centrifuge shows we don’t fully understand fluid physics

News

Physics

LK-99 superconductor mania swept the internet for a few weeks in 2023

News

Physics

Make these four classic cocktails and become a fluid dynamics expert

Features

Physics

Mystery of the quantum lentils: Are legumes exchanging secret signals?

Features