What makes a good hug, and how would a scientist even find out? In this episode you'll meet roboticist Alexis Block, who built a robot called HuggieBot to give people hugs when the ones they love are too far away. Along the way, she tested hug after hug in her lab and came up with a list of 11 "ingredients" for a great embrace. Can a robot really give a good hug? Listen and find out! 🎧 Listen to the Episode 🤖 What Kids Will Learn Why an engineer decided to build a robot who

How did Earth get its magnetic field, and why does it keep moving around? In this episode you'll meet paleomagnetist Lisa Tauxe, who has spent decades "hunting" the magnetic field, following clues from all over the world. Along the way, she found something so surprising that other scientists told her she must have been crazy. Was she right? Listen and find out! 🎧 Listen to the Episode 🧲 What Kids Will Learn Where Earth's magnetic field comes from. Why magnetic north doesn't

If you listened to our last episode, you may have heard Oliver's question: "Do space wormholes exist?" But did you ever wonder where scientists got the idea of space wormholes in the first place? The answer, like a lot of things in Physics, goes all the way back to Albert Einstein. By Possibly Herman Mishkin - Official 1921 Nobel Prize in Physics photograph, Public Domain, https://commons.wikimedia.org/w/index.php?curid=458521 Einstein is of course one of the most famous scie

Why did T. Rex have such tiny arms? In this episode you'll meet paleontologist Elizabeth Steell, who's stepped into a decades-old dinosaur debate with a stunning new theory involving giant heads, evolutionary trade-offs, and some serious math. Will it convince you? Listen and find out! 🎧 Listen to the Episode 🦖What Kids Will Learn Why T. Rex had such tiny arms — and how evolution can trade off one body part to build up another. How scientists use math to test theories about

60% of teachers are using podcasts in their classroom, according to our recent survey. But why? Here's what teachers told us