The rotifers were frozen in permafrost in a long-term cryptobiotic state. Lessons from these and other revived organisms could help farms on Mars. We promise this isn’t as sinister as it sounds: ...

Earlier this year, scientists published a study in which they thawed a tiny worm-like animal called a Bdelloid rotifer, captured in Siberian ice 24,000 years ago. The rotifer, pictured below ...