Scientists have finally cracked the case of the platypus’s steamy secrets! These egg-laying oddballs don’t follow the usual mammal playbook for picking their gender. Forget X and Y drama—a single hormone gene, AMHY, runs the show, making platypus romance a prehistoric soap opera. It’s like discovering that Mother Nature’s been binge-watching fish and amphibian rom-coms for 100 million years!

Scientists Just Solved a 100-Million-Year-Old Mystery About Platypus Sex