Early fossils with guts, segmented bodies and other sophisticated features reveal a revolution in animal life — before the Cambrian explosion.

A study of the industrial catalyst titanium silicalite-1 suggests that the conventional view of the structure of its active sites is wrong. The findings might enable further optimization of related industrial catalysts.

Artificial intelligence and improved microscopy make it feasible to map the nervous system at ever-higher resolution.

Efforts to reduce the use of existing drugs and incentives to invest in research could help combat resistance to antimicrobial drugs.