Biologists from the University of York (UK) have discovered enzymes that catalyze the biosynthesis of alkaloids in a number ...

The question of where to place Prototaxites, the Devonian Era’s largest land species, on the tree of life appears to be ...

This Review discusses inter-kingdom hormonal signalling between bacteria and mammals, and between bacteria and plants. Several bacterial signalling compounds alter mammalian and plant gene expression, ...

Learn how one-celled organisms, or single-celled organisms, helped build complex life.

Upon signing school vouchers into law last May, Governor Greg Abbott pronounced that he had delivered “education freedom to every Texas family.” But the billion-dollar program, which opens to parents ...