What enables a long chain of linked amino acids to perform highly specific molecular functions with machine-like precision?
Cell processes are quick and efficient. They can even solve geometry problems in the dark without eyes or brains.
A journal article suggests that an impressive instance of unguided evolution has been directly witnessed.
The jewels of the microbial world, when seen with new nano-scale imaging techniques, look like little modernist cathedrals.
Long suspected to be biological in origin, desert varnish is confirmed to be the product of light-gathering microbes that concentrate manganese as sunscreen.