
The Earliest Known Animal Sex Chromosome is 480 Million Years Old
The octopus sex chromosome appears to have been maintained over hundreds of millions of years, making it the most ancient of such chromosomes in animals

The Earliest Known Animal Sex Chromosome is 480 Million Years Old
The octopus sex chromosome appears to have been maintained over hundreds of millions of years, making it the most ancient of such chromosomes in animals

A Dolphin That Has Been Biting People May Just Be Friendly
Dolphin ecologist Tadamichi Morisaka discusses common dolphin behaviors that could explain instances of the animals biting people in Japan


This Ancient Sea Cow Was Killed by a Croc and Eaten by a Shark
Scientists re-create the last moments of a manateelike animal that was eaten by both a crocodilian and a shark

The Pitfalls of Houseplant Collection
A curator at the New York Botanical Garden explains what we can learn about the past and the present from houseplant trends.

Queen’s Brian May Is a Champion for Badgers and Science
Queen guitarist Brian May has spent a decade studying the science of bovine tuberculosis, which can be carried by badgers, and has identified a new method of spread

Why aging comes in dramatic waves in our 40s and 60s
A new study suggests that waves of aging-related changes occur at two distinct points in our life

I Bought a Glowing Plant. It Led Me Down a Rabbit Hole
A bioluminescent petunia led me to a world of radiant mushrooms, 19th-century experiments and a modern rivalry between scientists in Russia and the Americas

The End of the Lab Rat?
Replacing research animals with tools that better mimic human biology could improve medicine

What Was It Like to Be a Dinosaur?
New fossils and analytical tools provide unprecedented insights into dinosaur sensory perception

Tardigrade Fossils Reveal When ‘Water Bears’ Became Indestructible
Around 252 million years ago tardigrades may have escaped extinction using this one weird trick

Mystery Droplets Inside Cells May Play Vital Roles in Life
The novel physics of biomolecular condensates could explain how these droplets help cells do their jobs

Regenerating Deep-Sea Worms Harness Live-In Algae as They Split into Three
Gutless, solar-powered worms genetically control their resident algae