Blood Falls: " Blood Falls Natural time capsule containing an alien ecosystem This five-story, blood-red waterfall pours very slowly out of the Taylor Glacier in Antarctica's McMurdo Dry Valleys. When geologists first discovered the frozen waterfall in 1911, they thought the red color came from algae, but its true nature turned out to be much more spectacular. Roughly two million years ago, the Taylor Glacier sealed beneath it a small body of water which contained an ancient community...