MIDWEEKLY: How Old Are Humans?⏳🧬
Fun Kids Science Weekly
Fun Kids
4.4 • 1.5K Ratings
🗓️ 14 January 2026
⏱️ 12 minutes
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Summary
This Week’s Big Questions!
You’ve been sending in your brilliantly curious questions, and this week…
✨ Nyra wants to know: Why do stars shine so brightly?
🧬 Lauren is wondering: How long have humans been around for?
🪐 Connor asks: How many light-years is Uranus away from the Sun?
🔊 Henry wants to know: Why does sound travel through walls?
🌿 Tygo is curious: How do plants grow underwater?
And we travel back to the Age of the Dinosaurs!
More varieties of animals and plants lived at the time than ever before – from the dinosaurs on the land to the plants they ate. Things were getting pretty busy underwater too...
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Transcript
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| 0:00.0 | Ahoi, explorer. Welcome along. It's time to search out all those strange secrets lurking through the solar system. Let's get to it. My name's Dan. And it's a brand new fun kid science midweekly. And in this episode, you are the star of the show. It's all about your questions. If you ever have anything sciencey that you aren't answered on this podcast, make sure you leave it as a voice note for me on the free FunKids app. You can do it at FunKidsLife.com too. You can't miss it. Find my page. I'm Dan. Hello. Click the big record button. It'll come through to me. I'll do the digging, you'll star in the podcast. |
| 0:39.2 | So easy. |
| 0:40.8 | Can't wait to hear what you're wondering, what's bubbling away in your brain. |
| 0:45.8 | Make sure you get those over. |
| 0:47.4 | Here's one from Naira. |
| 0:51.5 | Hi, Dan, my name is Naira and I want to ask you how do stars shine so brightly? |
| 0:58.0 | Thanks Naira. How does stars shine so brightly? |
| 1:02.0 | Well, they do that because of nuclear fusion. That's how they make their energy. It's happening deep in their core. It's where one element is changed into another. |
| 1:13.6 | You see in the middle of the star, there's a lot there, so the pressure is so high. |
| 1:17.6 | The temperature, it's unbelievably hot in there. There's so much stuff, so much matter squeezed in, and it's so busy. |
| 1:26.6 | Atoms of hydrogen, they are forced together so tightly in that space that they fuse. |
| 1:31.6 | They become a new element. |
| 1:32.5 | They become helium. |
| 1:33.9 | And when that happens, a little bit of energy is created. |
| 1:38.3 | And this means we could talk about our good friend Albert Einstein. |
| 1:42.6 | You might have heard about his big thought. |
| 1:44.0 | E equals MC thought. E equals |
| 1:44.6 | MC squared. Energy equals mass times the square of the speed of light. Now, that's a very |
| 1:50.9 | complicated sum, which basically means if you manage to break open matter, if you manage to break open |
| 1:57.4 | an atom, there's an enormous amount of energy that comes out of it. Well, that's what |
| 2:02.3 | happens. When this new element, when helium is formed in a star, a little bit of that mass |
| 2:08.9 | becomes energy. And thanks to Einstein, we know, it's a lot of energy. A huge amount. It's released |
... |
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