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James A Wong

@Botanygeek

Botanist | Science writer and broadcaster | Lives with 500 houseplants | ‘Weird plant dude’, apparently

calendar_today11-09-2010 21:44:18

40,9K Tweets

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James A Wong(@Botanygeek) 's Twitter Profile Photo
James A Wong
@Botanygeek

3 years ago

3) Sweet potatoes are proof the Americas were in contact with the Old World centuries before Columbus.

You can trace their journey from the Amazon to NZ using DNA, but ALSO using linguistics.

Check out local names for them on this map.

3) Sweet potatoes are proof the Americas were in contact with the Old World centuries before Columbus. You can trace their journey from the Amazon to NZ using DNA, but ALSO using linguistics. Check out local names for them on this map.
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