Jellyfish predate dinosaurs. How have they survived so long? - David Gruber

Jellyfish predate dinosaurs. How have they survived so long? – David Gruber

Some are longer than a blue whale. Others are barely larger than a grain of sand. One species unleashes one of the most deadly venoms on Earth. Another holds a...

How Magellan circumnavigated the globe - Ewandro Magalhaes

How Magellan circumnavigated the globe – Ewandro Magalhaes

On September 6, 1522, the “Victoria” sailed into harbor in southern Spain. The battered vessel and its 18 sailors were all that remained of a fleet that had departed three...

Why do animals have such different lifespans? - Joao Pedro de Magalhaes

Why do animals have such different lifespans? – Joao Pedro de Magalhaes

For the microscopic lab worm, C. elegans life equates to just a few short weeks on Earth. Compare that with the tortoise, which can age to more than 100 years....

How do focus groups work? - Hector Lanz

How do focus groups work? – Hector Lanz

Why do we buy certain products or choose certain brands? This is the sort of question advertisers have always asked, and there are no easy answers. However, there is a...

Why do we itch? - Emma Bryce

Why do we itch? – Emma Bryce

You’re standing at the ready inside the goal when suddenly, you feel an intense itch on the back of your head. We’ve all experienced the annoyance of an inconvenient itch,...

Oxygen’s surprisingly complex journey through your body - Enda Butler

Oxygen’s surprisingly complex journey through your body – Enda Butler

You breathe in about 17,000 times per day. It’s a process you rarely think about, but behind the scenes, a huge coordinated effort is playing out. your vital organs, the...

Why are sloths so slow? - Kenny Coogan

Why are sloths so slow? – Kenny Coogan

In 1796, Thomas Jefferson received a box of bones he couldn’t identify. A long, sharp claw reminded him of a lion, but the arm bones suggested a larger animal, one...

Check your intuition: The birthday problem - David Knuffke

Check your intuition: The birthday problem – David Knuffke

Imagine a group of people. How big do you think the group would have to be before there’s more than a 50% chance that two people in the group have...

How do nuclear power plants work? - M. V. Ramana and Sajan Saini

How do nuclear power plants work? – M. V. Ramana and Sajan Saini

On a December afternoon in Chicago during the middle of World War II, scientists cracked open the nucleus at the center of the uranium atom and turned nuclear mass into...

What is entropy? - Jeff Phillips

What is entropy? – Jeff Phillips

There’s a concept that’s crucial to chemistry and physics. It helps explain why physical processes go one way and not the other: why ice melts, why cream spreads in coffee,...

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