The curious case of northeast Brazil’s cross-breeding sea turtles

Sea turtles have been around since dinosaurs roamed the Earth, stretching back about 110 million years. Yet now their existence is at risk, with six of today’s seven species classified as threatened or endangered. While efforts are ongoing to protect turtles, part of the puzzle that requires more knowledge concerns the effects of interspecies mating, … Read more

DNA gives insight into prehistoric bonds between dogs and humans

Scientists believe that modern-day dogs originated from two different populations of wolves. Image credit - Pixabay

Domestic dogs come in all shapes and sizes, but the animals we now regard as man’s best friend may have originated from just two populations of wolves, research suggests. The findings, along with studies on other domesticated animals, are providing new insights into how our ancestors’ lives and movements transformed these creatures forever. The domestication … Read more