Photograph anything alive and a mix of naturalists and machine vision will tell you what it is. Verified sightings become open biodiversity records scientists actually use.
Hundreds of dinosaurs, each with a gallery of reconstructions, size comparisons and where and when it lived.
Fifty years of winning photos and videos taken through a light microscope: crystals, cells, insect eyes and things you can't name.
A community archive of wildlife sound: hundreds of thousands of bird, bat and insect recordings from around the world, searchable by species and shared under Creative Commons.
Real research projects that need human eyes: classify galaxies, transcribe ship logs, count penguins. Ten minutes of your attention becomes a line in someone’s paper.
The improbable success story of the internet. Start anywhere; you will be somewhere else in an hour.
Draw a fish and release it into a shared tank where everyone else's fish are already swimming. Vote for your favourites.
