- Body mass index (BMI) is used as a global standard for measuring health, but does it actually tell you anything about how healthy you are on an individual level? Carissa Wong explains the problems with this flawed tool
- The story of a wildflower that adapted to a severe drought in California raises hopes that evolution will come to the rescue of species hit by climate change, but there are limits
- Two popular quantum computing algorithms for problems in chemistry may have very limited use even as quantum hardware improves
- Fentanyl-related overdose deaths fell by nearly 30 per cent in the space of a year in the US, which could represent a significant turning point in the country's opioid addiction crisis
- Star Nathan Fillion is stoking rumours that cult western-in-space television series Firefly could be rebooted. Emily H. Wilson realises she is being toyed with – but is still praying for its return
- Teenagers are being bombarded with highly targeted commercial content on TikTok, despite an EU law that prohibits profiling minors for advertising
- Strong magnets tend to be large and power-hungry, but a new design has produced a powerful magnet that fits in the palm of your hand, making it more practical and affordable
- Longer summers are allowing more king penguin chicks to bulk up and survive the winter, but the penguins' main fishing area is shifting further away as temperatures rise
- Deep canyons in the Andes are the perfect location to catch the most energetic particles in the universe. Carlos Argüelles-Delgado reveals how these intergalactic envoys could help prove the quantum nature of gravity
- The reliable internet connections provided by Starlink offer a huge advantage on the battlefield. But as access is dependent on the whims of controversial billionaire Elon Musk, militaries are looking to build their own version
