Fieldnotes

Sharks in Our Midst

Read about sharks in all shapes and sizes...

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

New studies of the white shark (aka great white) show that its social life and hunting strategies are complex

With suggestions that Americans turn to economic account some of the smaller species of the Atlantic Coast

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.