How does your body know what time it is? - Marco A. Sotomayor

How does your body know what time it is? – Marco A. Sotomayor

In 1962, a cave explorer named Michel Siffre started a series of experiments where he isolated himself underground for months without light or clocks. He attached himself to electrodes that...

The science of imagination - Andrey Vyshedskiy

The science of imagination – Andrey Vyshedskiy

Imagine, for a second, a duck teaching a French class, a ping-pong match in orbit around a black hole, a dolphin balancing a pineapple. You probably haven’t actually seen any...

Why doesn’t anything stick to Teflon? - Ashwini Bharathula

Why doesn’t anything stick to Teflon? – Ashwini Bharathula

Nothing stuck to Mafia boss John Gotti who evaded justice for years by bribing and threatening jurors and witnesses. That earned him the name the Teflon Don after one of...

How high can you count on your fingers? (Spoiler: much higher than 10) - James Tanton

How high can you count on your fingers? (Spoiler: much higher than 10) – James Tanton

How high can you count on your fingers? It seems like a question with an obvious answer. After all, most of us have ten fingers, or to be more precise,...

Is there a limit to technological progress? - Clément Vidal

Is there a limit to technological progress? – Clément Vidal

Many generations have felt they’ve reached the pinnacle of technological advancement. Yet look back 100 years and the technologies we take for granted today would seem like impossible magic. So...

Why do airlines sell too many tickets? - Nina Klietsch

Why do airlines sell too many tickets? – Nina Klietsch

Have you ever sat in a doctor’s office for hours despite having an appointment at a specific time, has the hotel turned down your reservation because it’s full? Or have...

How to master your sense of smell - Alexandra Horowitz

How to master your sense of smell – Alexandra Horowitz

Perfumers can learn to distinguish individual odors in a fragrance made of hundreds of scents. Tea experts have been known to sniff out not just the location where a tea...

What’s so great about the Great Lakes? - Cheri Dobbs and Jennifer Gabrys

What’s so great about the Great Lakes? – Cheri Dobbs and Jennifer Gabrys

What’s so great about the Great Lakes? They’re known as America’s inland seas. The North American Great Lakes Huron, Ontario, Michigan, Erie, and Superior are so massive that they border...

Would you sacrifice one person to save five? - Eleanor Nelsen

Would you sacrifice one person to save five? – Eleanor Nelsen

Imagine you’re watching a runaway trolley barreling down the tracks straight towards five workers who can’t escape. You happen to be standing next to a switch that will divert the...

How do animals experience pain? - Robyn J. Crook

How do animals experience pain? – Robyn J. Crook

Humans know the surprising prick of a needle, the searing pain of a stubbed toe and the throbbing of a toothache. We can identify many types of pain and have...

https://jellyschool.co.kr/classroom/