Daily Digest: A Greenland Shark Living Today Could Have Been Alive in 1620

November 4th — Catch up on the latest from HowStuffWorks: Greenland sharks, the terrifying Bobbit worm, perpendicular lines, the Scoville scale, and the story of Nikita Khrushchev.

Daily Digest: A Greenland Shark Living Today Could Have Been Alive in 1620

Photo: resize.hswstatic.com