A new definition of obesity could help treat millions of people
Measuring body fat more carefully could help treat obesity Halfpoint/Getty Images Rethinking the way we define obesity could help millions of people worldwide, argue a
Comet that could shine as bright as Venus set to be visible from Earth
Comet C/2024 G3 (ATLAS) captured on 31 December 2024 using a telescope in Río Hurtado, Chile Lionel Majzik A comet that has taken astronomers by
California wildfires fuelled by months of unusual extreme weather
The Palisades Fire advancing on homes in Los Angeles Ethan Swope/Associated Press/Alamy Fast-moving wildfires in the Los Angeles area are burning out of control long
Global treaty is failing to curb ultra-potent HFC-23 greenhouse gas emissions
Air-conditioning units, which often use HFC gases, on a building in Shenyang, China Visual China Group via Getty Images Emissions of a powerful greenhouse gas
Crystal-based cooling could make fridges more sustainable
Refrigerators and freezers typically get their cooling power from environmentally harmful fluids Mint Images Limited/Alamy A new type of crystal could enable refrigerators and air
IBM will release the largest ever quantum computer in 2025
Multiple copies of IBM’s quantum Flamingo chip can be connected together IBM IBM is planning to build the largest quantum computer so far, by linking
AI-powered avatars can gesture naturally as they speak
Humans use both speech and gestures to convey information Stanford University An artificial intelligence model can make virtual avatars gesture naturally to match spoken words
Quantum entanglement can be endlessly ’embezzled’ from quantum fields
Some quantum fields have an infinite amount of entanglement that can be taken Jurik Peter/Shutterstock Entanglement is one of the most valuable resources in the
OpenAI’s o3 model aced a test of AI reasoning – but it’s still not AGI
OpenAI announced a breakthrough achievement for its new o3 AI model Rokas Tenys / Alamy OpenAI’s new o3 artificial intelligence model has achieved a breakthrough
Microrobot swarms mimic ant-like feats of strength
The sand-grain-sized robots work cooperatively, similar to ants Jeong Jae Wie et al. Swarms of tiny robots guided by magnetic fields can coordinate to act