Cotton is the most widely used natural fibre for clothes. But how polluting are our jeans and shirts actually? Environmental scientist Laura Scherer c...

Many people think heavy metals are poisonous and always harm people and the environment. The reality is more nuanced, says Professor Sylvestre Bonnet....

There has been a lot of media attention for the report recently completed by the Institute of Environmental Sciences (CML) from Leiden University. How...

On Tuesday evening 22 August, our very dear colleague Jo Hermans passed away. Jo had been ill for some time, but continued to enjoy life in good spiri...

Gerard van Westen has received the KNCV Gold Medal, the most important Dutch award for chemists under 40. 'It's a huge honour,' says the professor of ...

Floske Spieksma will give her inaugural lecture as Professor of Mathematics of Operations Research on 1 September. A discussion about mathematical mod...

Bacteria whirl around in the mouths of most people, forming dental plaques and sometimes causing nasty gum infections. Treponema denticola might be a ...

Roderick Bouman is collection manager of the Leiden Hortus botanicus. He keeps track of which plants there are in the garden, where they come from and...

Over 2,700 cars on the cargo vessel Fremantle Highway that caught fire on 26 July have been so badly damaged that they cannot be sold. Can we recycle ...

Mechanics play a larger role in blood vessel formation, and other developmental biology, than previously thought. Cells appear to respond to mechanica...

Telling sensationalised stories, exaggerating benefits and understating the risks: creating ‘hype’ about something doesn't sound like something a resp...

The sustainable production of hydrogen could potentially be made more efficient by adding a cleverly chosen salt to the process. Researchers at the Le...

How can physics help reduce emissions from energy-guzzling data centres? With a Rubicon grant, physicist Remko Fermin will conduct fundamental researc...

Dark matter represents around eighty per cent of the total mass in the Universe. Yet, we still don't really know what it's made of. Astronomer Pavel M...

Two directors. Both professors of mathematics, but one of them is a biologist. One comes, and the other goes. Roeland Merks will succeed Arjen Doelman...