June 1998

Picks from the Past

Voracious Evolution

Discoveries of more complete remains of cartilagenous fishes have shed new light on the prehistory of sharks and their relatives.

Recent Stories

The way they live, the food they eat, and the effect on us

A true but unlikely tale

Story and Photographs by William Rowan

Increasing day length on the early Earth boosted oxygen released by photosynthetic cyanobacteria.

Genomic evidence shows that Denisovans and modern humans may have overlapped in Wallacea.