Sometimes you just need an image to help you understand something. And if that image is in motion and shows you something that you otherwise would never see, all the better. Below is a set of animated gifs that show us how certain things work.
What happens when we swallow.
How keys and locks work.
How ants walk.
What happens when dogs drink water.
A cheetah uses its tail to counter torsion and keep balance as it chases its prey.
This gif shows the development of the human face in the womb.
How a ladybug flies.
How dandelion grows.
How beautiful music is produced in a trumpet.
Number of flights per day.
What happens when you apply a sunscreen.
The Pythagorean theorem (a² + b² = c²) demonstrated visibly.
This is what an egg looks like underwater without its shell.
How military helmet camouflage is applied.
How water refracts the light.
How a beanstalk (or other vine fruits, weeds, or vegetables) finds support.