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All posts for the month August, 2014

[Note: This post is a modified and updated version of my earlier guest commentary on NPR 13.7 cosmos & culture]

For a long time, the origin of life was not considered a scientifically relevant problem. In fact, it was believed that life arises spontaneously all the time. Only after Louis Pasteur’s experimental demonstration that all life comes from other life, and the publication of Charles Darwin’s theory of evolution by natural selection (both around the middle of the 19th century), did the ultimate origin of life become a scientific question. However, it took (almost) another century before the first real scientific steps towards actually solving the problem were taken. Continue Reading

Having been stuck at home for most of July, due to unseasonably wet weather, the forecast for the first week of August finally looked quite promising. So I decided to head out to the tiny little village of Arolla, located at 2000m (6600ft) altitude near the upper end of a long and beautiful valley in southern Switzerland. Continue Reading

Standard economic theory assumes that humans behave rationally and are able to objectively calculate the value (or cost) of the different choices they are presented with. In fact, we pride ourselves on our rationality. Different from the animals, we humans have the unique capacity for logical thought and rational decision making. Or do we?

Read the full article on NPR 13.7 cosmos & culture

Shortly after the crash of Malaysia Airlines MH17, there were many “conspiracy theories” going around on the internet. One of the more bizarre claims that were made, is that the plane that took off from Amsterdam was not the same as the one that crashed in Ukraine. This claim was mostly based on a picture posted on facebook, shortly before boarding the plane, by Cor Pan, a Dutch passenger on that fateful flight. Continue Reading