Evolution & Origins of Life

What Did Sloths Look Like in the Ice Age?

Do Insects Have a Penis? The Science of the Aedeagus

What Is the Scariest Extinct Animal?

Why Aren’t Squirrels Domesticated?

Are Hamsters Related to Guinea Pigs?

Why Are Foxes Red? The Science Behind Their Color

What Were the First Animals and Crops to Be Domesticated?

What Are the Different Types of Eukaryotes?

Who Was the First Person That Was on Earth?

Why Is Genetic Drift Aptly Named?

Do Fish Walk? The Science of Walking Fish

Animals That Lived With Dinosaurs That Are Still Alive

Are There Any Predecessors or Extinct Species of Dogs?

Do Bonobos Have Tails? The Evolution of the Tailless Ape

Why Is Nature So Cruel? The Science of Suffering

What Did Sharks Look Like 400 Million Years Ago?

In Which Era Did Mammals Emerge?

Are Apes in the Stone Age? A Look at Their Tool Use

Why Do Giraffes Have Long Legs?

What Is Anatomical Adaptation? Definition and Examples