In this jaw-dropping episode of Need to Know Nuggeest, host Ahmet Baysal and returning guest Ilkem Kaya explore one of nature’s strangest survival tricks, a frog that freezes solid in winter—and comes back to life in spring. Meet the Alaskan wood frog (Rana sylvtica), a tiny amphibian that stops its heart, halts its blood flow, and turns into living ice cube to survive subzero temperatures. Using high concentration of glucose as a natural antifreeze, it avoids cellular damage and thaws back to life when the weather warms. Ilkem breaks down the science behind freeze tolerance, cryoprotectants, and why researchers believe this frog could could hold the key to future breakthroughs in organ preservation, trauma medicine, and even space travel. This episode is perfect for science lovers and those who seek to satiate their curiosities. This episode proves that when it comes to biology, truth is often stranger (and cooler) than fiction!  Wood frogs survive frozen winters by halting their heart and blood flow completely.

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