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View story 1 2 A Human Migration Fueled by Dung? http://www.sciencenewsforkids.org/articles/20030813/Note3.as... Submitted by Amarildo 21 months, 2 weeks, 5 days, 7 hours ago If you think traveling to Alaska in the winter sounds cold today, imagine what it was like thousands of years ago. Before the invention of central heating and hot cocoa, it would have been too cold for people to migrate to North America through the frigid tundra—without trees or firewood. Or so scientists thought. Tags: humans, dung, warm/ comment (0) | Category: History | Add Amarildo as a source Comments Votes (my sources) Votes (Everyone) Add your comment Add your comment If you already have an account, sign in: Email address: Password: If you don't, just complete these fields: (or join Spin The Globe Classrooms for free) Your name: Your site: (optional) Your comment: (You have up to 5000 characters left) Can you see the 5 most prominent letters/numbers in this image? (case insensitive) Please enter them here: « go back

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