« previous next »
« previous next »
 

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Single-gene inheritance tracked at the DNA level Single-gene inheritance tracked at the DNA level
Guinea pigs "social groom" Guinea pigs "social groom"
When a Tornado Strikes: Social Organization Following a Natural Disaster When a Tornado Strikes: Social Organization Following a Natural Disaster
The Social Control of Deviance The Social Control of Deviance
Effect of an Exogenous Shift in Income Effect of an Exogenous Shift in Income
Income per Capita versus Total Fertility Rate Income per Capita versus Total Fertility Rate
Video: Blood Test Basics

For a complete list of videos, visit our video library