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Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with 91av’s exclusive in-depth articles, interviews and long reads.

2R7B07K London, UK. 14th June 2023. UK screenwriters and Writers? Guild Of Great Britain (WGGB) members stage a rally in Leicester Square in solidarity with striking screenwriters in the USA. Credit: Vuk Valcic/Alamy Live News

Technology

Artificial intelligence and climate change were 2023’s twin challenges

The decisions we made this year about AI and climate change could determine the fate of billions of people. In 2024, almost half the world’s population could be voting with these issues in mind

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
A nurse prepares a shot for Jonathan Halter as the German embassy begins its roll out of BioNTech COVID-19 vaccines for German expatriates at a Beijing United Family hospital in Beijing, China January 5, 2023. REUTERS/Thomas Peter

Health

Covid-19 ’emergency’ ended in 2023 but the virus still lingers

News
David Smith, Joseph Myers, Chaim Goodman-Strauss and Craig S. Kaplan prove that a polykite that we call "the hat" is an aperiodic monotile, AKA an einstein https://cs.uwaterloo.ca/~csk/hat/

Mathematics

Mathematicians discovered the ultimate bathroom tile in 2023

News
NEW DELHI, INDIA - AUGUST 23: People celebrates after successful landing of Chandrayaan 3 on Moon at Nehru Planetarium on August 23, 2023 in New Delhi, India. The Chandrayaan-3 lander module has successfully touched down on the Moon's south pole, making India the first nation in the world to achieve this feat. India is also the fourth nation, after the United States, China and Russia to have landed on the Moon. (Photo by Sanchit Khanna/Hindustan Times via Getty Images)

Space

India made history with 2023’s low-budget Chandrayaan-3 moon landing

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
EVROS, GREECE - AUGUST 31: A firefighters runs as wildfire intensifies in the village of Sidiro and Yannuli in Evros, Greece on August 31, 2023. Efforts to extinguish wildfire continues. (Photo by Ayhan Mehmet/Anadolu Agency via Getty Images)

Environment

Why 2023 was almost certainly the hottest year ever recorded

News
2RF6WE0 FOTOMONTAGE, Miniatur-Roboter auf einer Computerplatine mit dem Schriftzug ChatGPT

Technology

2023 was the year that artificial intelligence went mainstream

News
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
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

One of the year’s most unexpected controversies exploded after a US fighter jet shot down a Chinese balloon that drifted across North America – it also sparked fears over other unidentified flying objects

News

Space

Six of the most amazing space pictures from 2023

News

Technology

A tale of two Silicon Valley Sams – Bankman-Fried and Altman

News

Environment

How 2023 saw the UK going backwards on climate issues

News

Space

Two books to write and the universe to decipher – 2024’s gonna be busy

News