Jan Hoole/The Conversation

More from Jan Hoole/The Conversation

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Is your dog actually smart? Depends on its memory.

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Evolution

Four-legged whales once straddled land and sea

By Jan Hoole/The Conversation

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Evolution

Sloths aren’t the picky eaters we thought they were

By Jan Hoole/The Conversation

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Agriculture

Scientists are trying to figure out where the heck horses came from

By Jan Hoole/The Conversation