From southbound cane toads to invasive weeds and fluctuating fish stocks, a novel technique called eDNA has revealed what's in NSW waterways—and how it's influenced by natural disasters.

The gene, Dkk4, produces a “pre-pattern” of thick and thin skin on the developing cat embryo that ends up mapping the pattern of stripes on the cat’s fur later. Thick patches had more Dkk4 ...

A number of large fur trading companies thrived in North America. Companies like the Hudson's Bay Company and later the North West Company were responsible for much of the exploration and mapping ...