Reactions | What If Humans Could Photosynthesize? | Season 3 | Episode 36 | PBS

Ohh the sunny science! The sun shines a massive amount of energy onto the Earth’s surface every day. What if people could take a cue from plants and use sunlight to make their own food? From chloroplasts to carbon dioxide, Reactions creates a hypothetical photosynthetic human and gives a quick crash course on the chemistry of photosynthesis.