Anjali Gill

The Tiktaalik Skeleton and the Origins of Walking

Transition Fossil: What It Is and Why It Matters

What Is a Preserved Fossil and How Does It Form?

Bone Evolution and the Rise of Vertebrates

Why a Dinosaur With Feathers Wasn’t Just for Flight

What Is an Osteichthyan? Your Bony Fish Ancestor

The Evolution and Adaptation of the Tetrapod Shape

Why Are Birds Considered Living Dinosaurs?

Why Did Woolly Mammoths Go Extinct?

The Archaeopteryx Fossil: Bird, Dinosaur, or Both?

Copulation: The Biological Purpose and How Animals Mate

Fish Fossil: How They Form and What They Reveal

Warning Coloration: Nature’s Signal of Danger

Eorhynchochelys Sinensis: The Turtle With a Beak, No Shell

What Have We Learned From Dinosaur Blood?

What Is Butterfly Mimicry and How Does It Work?

What Are Algae Fossils and Why Do They Matter?

Why Did Some Dinosaurs Have a Big Head?

What Were the First Cretaceous Flowers Like?

What Creates the Different Wing Colors in Nature?