Lance Barrett-Lennard is the head of the Cetacean Research Unit at the Vancouver Aquarium Marine Science Center, based in Vancouver, British Columbia, Canada.
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.