The Kid Should See This • Smart videos for curious minds of all ages
Smart videos for curious minds of all ages: Science, art, nature, animals, space, technology, DIY, food, music, animation, and more
Chatbot Arena (formerly LMSYS): Free AI Chat to Compare & Test Best AI Chatbots
Retraction Watch
Tracking retractions as a window into the scientific process
The Thought Experiments That Fray the Fabric of Space-Time | Quanta Magazine
These three imagined scenarios lead many physicists to doubt that space-time is fundamental.