Pink Octopus Arm (Micro Discovery/Getty Images) Ocean bays that pinch West Antarctica are home to two distinct populations of Turquet's octopus (Pareledone turqueti). The shared secrets of their ancestors do not bode well for the future health of our planet. A recent DNA analysis of the two geographically separated octopus populations, published earlier this year ahead of peer review, indicates they were once part of one big family. This "direct historical connection" suggests that around 125,000 years ago, the massive 2.2 million cubic kilometer (530,000 cubic mile) West Antarctic ice sheet that separates the two bays had fully collapsed into...
