Past activities
Nieuwe activiteiten
Seeing Stars Citizen Science
During the night of Seeing Stars Leiden, Citizen Science will try to answer many burning questions!

More-than-Planet
Starting on the 2nd of July, you can view a new exhibition at the Leiden Observatory: More-than-Planet. How do we imagine our planet?

Seeing Stars Citizen Science
During the night of Seeing Stars Leiden, Citizen Science will try to answer many burning questions!

More-than-Planet
Starting on the 2nd of July, you can view a new exhibition at the Leiden Observatory: More-than-Planet. How do we imagine our planet?

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.

Descubre tu ADN
Discover your DNA with Spanish experts!

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...

Seeing Stars Citizen Science
During the night of Seeing Stars Leiden, Citizen Science will try to answer many burning questions!

More-than-Planet
Starting on the 2nd of July, you can view a new exhibition at the Leiden Observatory: More-than-Planet. How do we imagine our planet?

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...

Your bones... for eternity?
During this afternoon, doctors from LUMC and a bone archaeologist from Leiden University show that bones are alive.

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...

Day of the Dead
Did you know that November 1 is Day of the Dead? For many cultures, this is a day to reflect on ancestors and previous generations. Come to ...