Human Eyesight: The Science of How We See

Human Eyesight: The Science of How We See

How did human eyesight form? How do our eyes work and how does it connect to human evolution? Human eyesight formed as humans evolved from our ancestors. The way our eyes work is a complicated process, and we can get clues on how it came to be from many creatures—including the most ancient ones that contributed to forming human vision. Read more about human eyesight and how it evolved over time.

The Human Family Tree: Are You Related to a Sponge?

The Human Family Tree: Are You Related to a Sponge?

What other animals are on the human family tree? How do DNA and our common ancestors show what species we’re connected to? The human family tree is extensive. Despite the unique ways in which humans developed, we’re similar to other animals— including our close family members like chimpanzees, but also animals like sea sponges and sharks. Read more about the human family tree and how we’re connected to all life on Earth.