1 - 3 of 3 results
The Origin of Flight: What Use Is Half a Wing?

In this video, biologist Ken Dial demonstrates that birds use their wings for more than just flying, which may help us understand how dinosaurs used their small wing-like limbs before the evolution of flight.

Anatomy & Physiology
Evolution
Science Practices
Scientists at Work
High School — General
High School — AP/IB
College
How We Get Our Skin Color

This animation describes how skin color is generated by skin cells as protection against ultraviolet (UV) radiation.

Cell Biology
Anatomy & Physiology
Animations
High School — General
High School — AP/IB
College