Back to Show
Nature
Gaining Vision Underwater
With severe myopia hindering her vision on land, scientist Mary Power's love for aquatic life began when she realized she could see much better underwater. The refraction of the water in her snorkeling mask allowed her to see clearly for the very first time.
Support Provided By
52:58
Discover how cats first crossed from Asia into North America and became the top predators.
53:29
Discover how the first cats arose in the forests of Asia and later came to conquer Africa.
Unlock with PBS Passport
53:55
What happens when people are reunited with wild animals they forged bonds with long ago?
Unlock with PBS Passport
52:55
Animals congregate in huge colonies partly out of necessity and partly for the security.
Unlock with PBS Passport
52:55
Finding a good base of operations is key to successfully raising a family.
Unlock with PBS Passport
52:55
The first in a three-part series about how animals build their remarkable homes.
Unlock with PBS Passport
52:58
A biologist crosses the species divide and becomes part of a wild mule deer family.
52:58
Zebras embark on a mass migration from the saltpans of Botswana in search of water.