In this episode of Tiny Show and Tell Us, we cover an aurora-like phenomenon — STEVE (Strong Thermal Emission Velocity Enhancement) — and how citizen science led to its discovery and unforgettable name. Then we talk about convergent evolution in tenrecs, a fascinating family of animals endemic to Madagascar. Some look identical to hedgehogs, some are similar to opossums, and others look like moles.

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On April 26, 1986, the Soviet Union’s Chornobyl Power Complex nuclear reactor 4 exploded, releasing a massive amount of highly radioactive material. People living near the power plant were forced to evacuate, and the area was deemed uninhabitable. But today, many animals — some the descendants of pets left behind — have made this region their home. In this episode, we chat with researchers who have spent a lot of time in the Chornobyl Exclusion Zone studying the animals that live there, trying to understand how constant low levels of radiation impact their health. What they’re learning could inform plans to repopulate areas that suffered past nuclear disasters, including Fukushima, and help with the development of methods that protect astronauts from radioactivity in space.

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Happy 2025! Join us as we reflect back on 2024 and share exciting episode topics and podcast plans for 2025.

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In this episode of Tiny Show and Tell Us, we cover a study where a researcher stepped on 116 snakes over 40,000 times for science (don’t worry, the ‘steps’ were more like touches, no snakes were harmed in the process). Then we get into why a pollen allergy might trigger an allergy to some of your favorite fruits.

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Dominique Jean Larrey lived quite a life. He was born in 1766, and at the age of 13, had to walk from his home in a French village to study in the city of Toulouse. That journey was 70 miles, and yes, he walked it. That would be important much later in his life, when he found himself walking through the bitter cold in Russia as the Chief Surgeon of Napoleon's army. During that time, Napoleon's troops had to contend with the reality of Russian cold and temperatures that got as low as -37 degrees Celsius, which is about -35 Fahrenheit.

Larrey attributed his ability to withstand the cold to his walking. But many of the soldiers around him wound up with frostbite, and to treat them, Larrey suggested slowly rewarming the affected area and rubbing it with snow. Frostbite treatment has been on quite the journey since then, and it was just earlier this year that the FDA approved the first drug to treat frostbite in the US, which is exciting news for the doctors who see cases of frostbite and for patients who are often left with the horrific reality of amputation.

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In this episode of Tiny Show and Tell Us, we cover exciting new 'living robots' called xenobots — made from frog cells with the help of a supercomputer — and what they might be used for down the road. Then we challenge how much "junk" really makes up "junk DNA" and discuss the regulatory sequences and other things our DNA codes for that aren't functional proteins.

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On Tiny Matters we just weren’t giving enough love to plants, but we’re dedicated to fixing that! In this week’s episode, we chat with Matt Candeias, the host of the podcast In Defense of Plants. We tackle a subject that we had definitely oversimplified in our minds: pollination. From stinky corpse flowers to pitfall traps to faux fermentation, the way plants have evolved so many strategies to reproduce is beyond fascinating. We can’t wait to take you all on this pollination ride!

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In this episode of Tiny Show and Tell Us, we cover why your body feels so ‘off’ at high altitudes and how we’ve evolved not to detect low oxygen levels but high amounts of carbon dioxide. Then we unpack the confusing world of molecule chirality — what it is, why it matters, and how we evolved to only have ‘left-handed’ amino acids but ‘right-handed’ DNA and RNA.

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How often do you think about your teeth? In this episode of Tiny Matters, we talk about how the atoms trapped within teeth can reveal what an animal ate and where it lived, and how studying teeth has helped ecologists reconstruct prehistoric food webs of megatooth sharks and retrace the steps of woolly mammoths across the Arctic. And hopefully, we’ll give you a few new reasons to appreciate your own pearly whites.

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In this episode of Tiny Show and Tell Us, we explore the science behind a very catchy headline about a drug that makes mice look more youthful and increases their life expectancies. Then we shift gears to talk about a predatory unicellular organism with a swan-like neck that rapidly extends a great distance to capture prey. Researchers used origami to understand the mechanics behind this anatomical feat.

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