Past activities
Nieuwe activiteitenPlanktonium
Museum De Lakenhal shows planktonium by Jan van Ijken: a magical art film about the life of plankton.
The Leiden Maths Walk
For lovers of maths, there's a walk they can go on all by themselves: The Leiden Maths Walk with challenging mathematical questions.
ARISE Hackathon 2022!
Join the ARISE Hackathon 2022! In this year's hackathon, we want to challenge you to come up with creative solutions to different questions.
Planktonium
Museum De Lakenhal shows planktonium by Jan van Ijken: a magical art film about the life of plankton.
The Leiden Maths Walk
For lovers of maths, there's a walk they can go on all by themselves: The Leiden Maths Walk with challenging mathematical questions.
Route of Discoveries
There have been a lot of amazing and important discoveries done in Leiden. Follow the Route of Discoveries: see new places in the city or fi...
Playing with mathematics
Maths is really everywhere. Make a whirlpool and build your own bridge. Discover what sound looks like and play with perspective like an art...
Route of Discoveries
There have been a lot of amazing and important discoveries done in Leiden. Follow the Route of Discoveries: see new places in the city or fi...
Playing with mathematics
Maths is really everywhere. Make a whirlpool and build your own bridge. Discover what sound looks like and play with perspective like an art...
Planktonium
Museum De Lakenhal shows planktonium by Jan van Ijken: a magical art film about the life of plankton.
The Leiden Maths Walk
For lovers of maths, there's a walk they can go on all by themselves: The Leiden Maths Walk with challenging mathematical questions.
How does your biological clock tick?
Today, scientists from the LUMC are armed with tips and tricks on how to help adjust your biological clock to the summertime.
Online qualification tournament NK puzzles and sudoku
Do you want to compete against the best puzzle and/or sudoku players in the country? Quickly join the online qualifiers for the Dutch Champi...
Playing with mathematics
Maths is really everywhere. Make a whirlpool and build your own bridge. Discover what sound looks like and play with perspective like an art...
Planktonium
Museum De Lakenhal shows planktonium by Jan van Ijken: a magical art film about the life of plankton.
The Leiden Maths Walk
For lovers of maths, there's a walk they can go on all by themselves: The Leiden Maths Walk with challenging mathematical questions.