Photochemistry News

BMI Sidelined in New Obesity Definition That Favors Health Evaluation
January 17, 2025
Instead of using the controversial body mass index, or BMI, to assess weight, an international group of scientists proposes an approach that looks at how excess body fat affects health
Los Angeles Fires Were Fueled by Climate Change
January 17, 2025
Many factors, such as strong Santa Ana winds and urban planning decisions, played into the recent destructive wildfires in the Los Angeles area. But the evidence is clear that climate change contributed
SpaceX Starship Explosion Likely Caused by Propellant Leak, Elon Musk Says
January 17, 2025
The seventh test flight of SpaceX’s Starship ended with a successful landing of the rocket’s first stage but also the loss of the Starship vehicle
This Supermassive Black Hole May Harbor a Bizarre Undead Star
January 17, 2025
Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole
Could Inflicting Pain Test AI for Sentience?
January 17, 2025
A new study shows that large language models make trade-offs to avoid pain, with possible implications for future AI welfare