This Week’s Big Questions!
You’ve been sending in your questions, and this week…
🛗 Caroline wants to know: How do elevators work?
🌍 Astrid is wondering: If we left Earth, where would we go?
👵 Ella asks: Why does our hair turn grey?
🐦 Marley wants to know: Why can’t some birds fly?
💧 Marcus is curious: Where does water come from?
And ahead of the big day, we pay Santamory a visit to learn about the science of Christmas. This week, we're learning about Santa's sleigh... He gets to every house around the world in one night - but how does he do it and how do aerodynamics help and hinder the sleigh?

How Long Can Humans Survive in Space Without a Spacesuit? 👨🚀🌌
12:33

The Slime Factory: How Snails Engineer the Ultimate Sticky Goo! 🐌🧪
27:37

The Airport Job That Helps Premier League Footballers Get to Their Matches✈️⚽
17:12