Message Font: Serif | Sans-Serif
No. of Recommendations: 3
These plants from the time of the Vikings are just now re-emerging from under glaciers.
At the same time, we are about to lose the northern polar ice cap.

Here's my question - how do we know there was an ice cap over the north pole during the summers 600-1000 years ago? What is the specific evidence?
Print the post  


What was Your Dumbest Investment?
Share it with us -- and learn from others' stories of flubs.
When Life Gives You Lemons
We all have had hardships and made poor decisions. The important thing is how we respond and grow. Read the story of a Fool who started from nothing, and looks to gain everything.
Contact Us
Contact Customer Service and other Fool departments here.
Work for Fools?
Winner of the Washingtonian great places to work, and Glassdoor #1 Company to Work For 2015! Have access to all of TMF's online and email products for FREE, and be paid for your contributions to TMF! Click the link and start your Fool career.