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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.

Timelapse shot of the Starship 'chopstick' landing
Space

Space X to civilian spacewalks: The biggest space launches in 2024

2024 was a breakthrough year for space exploration. Here are some of the major launches we’ve reported on this year

Video

Health

Why US obesity rates fell for the first time in decades

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Life

Dolphins may use their teeth to hear underwater

News

Physics

Quantum entanglement can be endlessly ’embezzled’ from quantum fields

News
A newly recognised species of scorpion (Tityus achilles) that can spit venom

Life

Newly identified scorpion species ‘spits’ venom to defend itself

News
Baking gingerbread windows with isomalt
Chemistry

Christmas bake off: Create decorative sugar windows in any biscuit

Video

Physics

Physicists in 2024 searched the quantum realm for the truth about time

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Technology

Flying electric taxis look set to finally take off in 2025

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An artistic celebration of the Dark Energy Spectroscopic Instrument (DESI) year-one data, showing a slice of the larger 3D map that DESI is constructing during its five-year survey. By mapping objects across multiple periods of cosmic history with extremely high precision, DESI is allowing astronomers to make unprecedented measurements of dark energy and its effect on the accelerating expansion of the Universe. DESI???s map reveals the large-scale structure of the Universe, showing clumps of galaxies separated by voids where there are fewer objects. This pattern is a result of large pressure waves that permeated the early Universe and is reflected in the cosmic microwave background ??? a 2D snapshot of the radiation that filled the Universe shortly after the Big Bang, which bears the imprint of the 3D galaxy distribution. DESI is mounted on the U.S. National Science Foundation Nicholas U. Mayall 4-meter Telescope at Kitt Peak National Observatory, a Program of NSF NOIRLab. This version of the DESI map includes 600,000 galaxies ??? less than 0.1% of the survey's full volume. The locations of objects in the data slice do not correlate with their locations on-sky shown in this image.

Space

Could 2025 be the year we finally start to understand dark energy?

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B6DT04 Alzheimers disease. Series of computed tomography (CT) scans of an axial section through the head of a 74-year-old patient.

Health

We’ll learn about Ozempic’s potential for Alzheimer’s disease in 2025

Two later-stage trials investigating semaglutide, the drug in Ozempic, for treating Alzheimer's disease are due to complete in 2025, with potentially big results

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Environment

COP30 host Brazil aims to get 2025 climate talks back on track

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Technology

Humanoid robots will march into factories and homes in 2025

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Environment

Direct CO2 capture from the atmosphere will scale up massively in 2025

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Environment

Disease-resistant pork may go on sale in 2025 thanks to gene editing

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