Not unlike a slab of cooling rock, DNA “cracks” under pressure in roughly predictable patterns.
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.
