40,000 Calories a Day: Inside the Massive Pre-Hibernation Grizzly Bear Bulk 🐻💤

Welcome to Science Quest! 🚀 This week, we are following a rare turtle's epic transatlantic flight back home, checking out a record-smashing hydrogen supercar, and solving a ancient mystery about how a six-tonne boulder hitched a ride on a giant glacier!

• 🐢 The Transatlantic Turtle Flight: A rare, lost turtle found washed up on a cold Welsh beach has just been flown thousands of miles back home to the warm waters of Mexico! Discover how marine rescue teams nursed this oceanic traveler back to health and prepped it for its high-flying journey.

• ⚡ Record-Breaking Hydrogen Power: Speed alert! A British driver has just shattered a land speed record driving a high-tech vehicle powered entirely by hydrogen fuel! Find out how zero-emission hydrogen gas can generate mind-blowing speed without producing a single drop of pollution.

• 🗿 The Glacier Highway: Remy Veness from Sheffield Hallam University joins Dan to unpack a wild new theory about Stonehenge. How did a massive six-tonne stone travel hundreds of miles from Scotland all the way to southern England thousands of years ago? It might not have been dragged by humans—it might have hitched a ride on a creeping prehistoric glacier!

• 👀 Eyeball Mechanics: Jake asks an awesome biology question: how do our eyes actually move around in our sockets? We look at the microscopic muscle pulleys working behind the scenes to let you blink, look, and track moving objects instantly.

• 🐻 Grizzly Bear Fat Checks: Nat Kent from Bristol Zoo answers Max's brilliant animal question: just how fat can a Grizzly Bear get before it hunkers down for winter hibernation? (Hint: It involves eating tens of thousands of calories a day!)

• 🐍 Dangerous Dan: Watch your step for the Stiletto Snake! This sneaky burrowing reptile has side-facing, fangs that stick out sideways even when its mouth is closed! That means you can't even hold it safely behind its head without taking a venomous bite.

• 🧠 Brain Box: World-renowned astrophysicist Chris Lintott steps into the Brain Box to take us on a tour of distant star clusters, galaxy collisions, and how citizen scientists can help discover brand-new planets right from home!

Strap on your hiking boots and trek out into the wild with our A to Z of Wildlife!

This week, we are dropping in on the mighty Grizzly Bear to discover how these magnificent apex predators rule the wilderness. From their razor-sharp claws used for catching leaping salmon to their super-insulated fur coats that keep them cozy through freezing mountain winters, learn all about what makes the grizzly an absolute legend of the woods!

Subscribe to Science Quest to track flying turtles, decode Stonehenge secrets, and dodge side-fanged venomous snakes! 🎙️✨

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