Microscopic extremophiles known as tardigrades—often affectionately called water bears or moss piglets—possess biological superpowers that allow them to withstand conditions fatal to almost any other life form. Through a fascinating process called cryptobiosis, these tiny invertebrates enter a dehydrated "tun" state, effectively suspending their metabolism to survive absolute zero temperatures, boiling heat, crushing ocean pressures, and even lethal doses of radiation via the unique Dsup (damage suppressor) protein.

Beyond their ubiquity in backyard moss and lichen, historical experiments like the European Space Agency’s Foton-M3 mission prove that these eight-legged creatures can survive the vacuum of outer space. Current scientific inquiries even suggest dormant colonies may currently reside on the lunar surface following the 2019 Beresheet spacecraft crash. From their discovery by Johann Goeze in 1773 to their biological vitrification capabilities, the resilience of these widespread micro-animals offers profound insights into biological durability and adaptation.

Want to learn about other amazing animals? Check out my Spotify playlist, Fun Facts About Animals

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