The worms absorb and digest symbiotic bacteria through their skin.
Machine learning turbocharges the process of identifying molecules to test for bacteria-attacking properties.
Combine sand, gelatin and bacteria, let them rest, and watch one brick turn into eight.
Underground species eats or buries its dead, depending on likelihood of catching disease.
A month's worth of cool science stories summed up.
New research adds to the worry that soil microbes will make climate change worse.