Some things are better left unsaid, argues anthropologist Nick Verouden after studying researchers in international and interdisciplinary projects. He received his doctorate on May 11.

Exobiologist Wieger Wamelink from Wageningen University has shown that growing crops on Martian soil seems possible. Now a sample of his experiments is being shown at the exhibition Food for Mars at the TU Delft Library.

Hundreds of students shuffled through a narrow corridor as a part of a crowd behaviour study last week. Researcher Dr Dorine Duives wanted to know at what point the crowd density would make the flow stop.

For his PhD research, electrical engineer Reto Pieren developed computer models that artificially produce the noise of trains, wind farms, and road traffic to study the impact that sound – that does not even exist yet – could have on people.

To get to the touristy Chinese island of Hainan from the mainland, you have to cross the 30 kilometre wide and 120 metre deep Qiongzhou Strait, which is not for the faint-hearted. The area is prone to strong typhoons. An underwater tunnel could be the answer, Delft researchers believe.

Fossil fuel subsidies, worth 0.7% of the global economy, increase CO2 emissions and hamper the development of sustainable energy sources. So why do they still exist? PhD candidate Adriana Diaz Arias studied the resilience of the vested powers.