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From the archives of Discovery: Meerkats are communal animals, and they can live in social groups of 50 or more individuals. Learn more about meerkats.

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Meerkats Digging (1:29)

From the archives of Discovery: Meerkats are communal animals, and they can live in social groups of 50 or more individuals. Learn more about meerkats.

Smart Mice (1:22)

Watch this video about smart mice on HowStuffWorks. They didn't mean to create smart mice, but that's what happened when brain scientists genetically altered mice to lack a certain brain protein. The chance discovery could lead to new drugs to treat... More »

Mighty Mouse Can’t Smell Fear (1:20)

Watch this Reuters video showing how scientists have created a mighty mouse that isn’t afraid of cats. Prof. Ko Kobayakawa at Tokyo University, removed specific receptors for sensing odor and thus eliminated the mouse’s ability to smell predators.

Daily Planet: Born to be Wild (6:16)

As wild marmots began to go extinct, conservationists started breeding them and releasing them into the wild. Some were even released into a special marmot reserve.

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Daily Planet: Born to be Wild (6:16)

As wild marmots began to go extinct, conservationists started breeding them and releasing them into the wild. Some were even released into a special marmot reserve.

Meerkats Digging (1:29)

From the archives of Discovery: Meerkats are communal animals, and they can live in social groups of 50 or more individuals. Learn more about meerkats.