
Science Educator | App Builder. Founder: @runcaster @timeframe
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I've been working on this for a while and am excited to announce: Runcaster is live. Connect your Garmin Connect® account → generate beautiful run cards → share directly to Farcaster. Run. Map. Cast. https://farcaster.xyz/miniapps/rElI5MdxhuEW/runcaster
Nearly everything your body does—muscle movement, even the voice in your head as you read this sentence—runs on ATP. Your mitochondria make it using ATP synthase, a tiny molecular turbine powered by flowing protons, converting energy into the high-energy phosphate bonds that fuel life.
Photosynthesis visualized! Here's an aquatic plant called pondweed producing tiny bubbles of oxygen. It's converting water and carbon dioxide into glucose, with oxygen released as a 'waste' product!
Can cancer be contagious? Generally speaking, no it is not. But Tasmanian devils face a unique challenge with Devil Facial Tumor Disease (DFTD)—a contagious cancer. Why? Tasmanian devils have very low genetic diversity, especially in immune system genes. This means their immune systems can't tell the difference between their own cells and cancerous cells from another devil. The disease spreads through biting during fights or mating. This tragic example highlights the importance of genetic diversity in resisting diseases and shows just how incredible our immune system is at keeping us safe!