A chiral nitrogen-containing catalyst used with a one-electron oxidant allows highly selective carbon-carbon bond formation through a generally applicable activation route.

Massive eruption of basalt associated with the opening of the northern Atlantic Ocean was simultaneous with and may have helped trigger the Paleocene-Eocene thermal maximum.

In maintaining metabolic homeostasis, bacteria respond to genetic disruptions with large changes in metabolites but to environmental disturbance with changes in enzyme levels.