Watch the video with guest scientist(s)!  

How can I make an ecosystem for microorganisms?
Join Colm, a biophysicist (a scientist who uses physics to study biology and visa versa), as he creates the perfect habitat for some very small organisms called yeast in a system we often call "sourdough starter."

Take on the challenge now! 

Check out the links below to guide your experiments and to explore more

Share your findings and experience!

If you want to be eligible for our monthly raffle, make sure to respond to the Challenge Questions below, and provide a valid email address or phone number so that we can reach you if you win. Don't forget to press the "Click to Share" button at the bottom!

View the work by scientists like you!

If you want to be published here, attach an image or video of your work to the form above