Mar 6

Who Invented the Peanut Butter & Jelly Sandwich? (with The Past and the Curious)

Who invented the peanut butter and jelly sandwich? And how did it become one of the most famous lunches in America? In this episode, a question from listener Leila sends us on a trip through history to find out how peanut butter, jelly, and sliced bread came together to make the ... Show More

38m 4s

Feb 20

Can Axolotls Teach Us to Grow New Hands?

Why do humans usually have five fingers on each hand? And what if one day, we could grow a new finger if we lost one? In this episode, a question from six-year-old listener Ayla sends us on a journey from tiny developing embryos to one of the most amazing animals on Earth: the ax ... Show More

23m 6s

Feb 6

Do Animals Have Friends?

In this episode, we talk to two scientists who study animal friendships, in different animals, and in different ways. We’ll hear from Karen Bales, who studies titi monkeys (AKA “fuzzy little guys”) and Annaliese Beery, who studies voles (AKA “the cutest rodents”). Get ready to di ... Show More

27m 6s

Oct 2022

The Electron

Melvyn Bragg and guests discuss an atomic particle that's become inseparable from modernity. JJ Thomson discovered the electron 125 years ago, so revealing that atoms, supposedly the smallest things, were made of even smaller things. He pictured them inside an atomic ball like a ... Show More

49m 47s

Aug 2022

51 - Why Physicists Love Smashing Particles Together

<p>For the past century, physicists have been building particle colliders as a way to learn about the fundamental laws of physics. Today we talk about why smashing particles together has proven to be such a powerful tool.<br/><br/>For ad-free episodes and other exclusives, join u ... Show More

23m 46s

Apr 2019

Will we ever know what the universe is made of?

We are all made of particles – but what are particles made of? It’s a question that’s been perplexing scientists for centuries - for so long, in fact, that listener Doug in Canada wants to know if there’s a limit to how much they can ever discover. CrowdScience heads out to CERN, ... Show More

35m 25s

Mar 2024

3 mysteries of the universe — and a new force that might explain them | Alex Keshavarzi

We're still in the dark about what 95 percent of our universe is made of — and the standard model for understanding particle physics has hit a limit. What's the next step forward? Particle physicist Alex Keshavarzi digs into the first results of the Muon g-2 experiment at Fermila ... Show More

12m 5s

May 2021

A new force of nature?

Last month, physicists at Fermilab in Illinois found that tiny subatomic particles called muons were wobbling strangely. This small observation could transform the future of particle physics, potentially pointing toward undiscovered particles or maybe even a new force of nature. ... Show More

24m 52s

Jun 2024

3 mysteries of the universe — and a new force that might explain them | Alex Keshavarzi

We're still in the dark about what 95 percent of our universe is made of — and the standard model for understanding particle physics has hit a limit. What's the next step forward? Particle physicist Alex Keshavarzi digs into the first results of the Muon g-2 experiment at Fermila ... Show More

13m 21s

Feb 2021

The Atom

Taking science seriously is vital right now and that’s why on The Pop Test we ask Shaun Micallef, molecular Biologist Upulie Divisekera and Sami Shah the big questions ... like what’s your favourite atom?

24m 46s

Sep 2021

Deux particules mettent les physiciens en PLS

Einstein aurait tiré la langue devant ce problème. Car il y a comme un couac dans la physique. Le comportement de deux particules subatomiques (le muon et le méson B) échappe aux règles du modèle standard, qui cochait jusqu'alors toutes les cases expliquant le fonctionnement de l ... Show More

15m 7s

What’s Inside of an Atom?