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David Smith, Joseph Myers, Chaim Goodman-Strauss and Craig S. Kaplan prove that a polykite that we call

Mathematics

Mathematicians discovered the ultimate bathroom tile in 2023

After decades of searching, mathematicians discovered a single shape that can cover a surface without forming repeating patterns, launching a small industry of "aperiodic monotile" merchandise

News

2RFE6YH LK-99 room-temperature revolutionary superconductor. High quality photo

Physics

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

News

2NK6HH7 CHINESE SPY BALLOON seen from a US Air Force U-2 above America. Photo: USAF

Technology

The spy balloon saga of 2023 inflated US-China political tensions

News

GTG9F9 Hot mulled wine and book in woman hands. Relaxing in front of burning fire in the cold winter day.

Chemistry

Can science explain why some drinks and foods are a perfect match?

Regulars

Alastair Reynolds: An exclusive short story for 91av

Society

Alastair Reynolds: An exclusive short story for 91av

Culture

Close up image of a selection of freshly flame grilled burgers in a row on a wooden counter at a London street food market. Each of the burgers has its own label, on which is written the contents of the burger. The burgers are sandwiched between glazed buns, and presented on beds of fresh green lettuce and stuffed with melted cheese and red onion. Horizontal colour image with copy space and beautiful bokeh background.

Health

Cancer in young people is rising and 2023 saw a plan to figure out why

News

2PNBXXP Pack of Ozempic, antidiabetic for weight control, taken in a pharmacy in Niesky, April 13, 2023.

Health

Wegovy and Ozempic made 2023 a revolutionary year for weight loss

News

Health

Stretchy electrodes shrink when wet to fit snugly around organs

News

How to use 'flavour bridging' to cook a bizarre but tasty holiday meal

Chemistry

How to use 'flavour bridging' to cook a bizarre but tasty holiday meal

Features

Joaquin Phoenix films AI HER.

Technology

The top ten films about artificial intelligence according to an expert

From Wall-E to Short Circuit via I, Robot, these are the best films out there about AI, says Alan Turing Institute ethics fellow Mhairi Aitken

Culture

Space

2023 saw thrilling space missions and new cosmic mysteries

News

Comment

The best new science fiction books of December 2023

Culture

Comment

The 13 best new science fiction books of 2023

Culture

Technology

Cooling system could replace air con and drastically cut energy use

News