pollen
Houses, trees, animals. Only your body wishes that the tree was still the classic artificial Christmas tree made from plastic. Winter is slowly turning into spring. The air smells of bouillon powder, a fresh breeze, and hay fever. Everything grows, blooms, and multiplies. The flowers and the bees. And for many, the amount of liquid running out of people’s noses and eyes is also increasing. Yes, it's that time again. Hay fever season has arrived. Until autumn, a raw nose and burning eyes will be the norm.
Activiteiten
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...
