An important function of the human nose is to warm and humidify the air that we breathe in. This is important so as to prevent the inner respiratory tract from drying up, which can lead to infections. Because the shape of the nose and the... click to read more

During human evolution, one of the most remarkable events was the expansion of the upper layer of the brain: the so-called neocortex. This event took place about 2 million years ago and allowed us to develop the cognitive abilities that characterize modern day humans. In... click to read more

In terms of their ability to see colours, primates are unique compared to other mammals. Many primates have trichromatic colour vision and can see differences among red, orange, yellow, and green hues. What is particularly fascinating, however, is how much variation there is among primates... click to read more

It is well established knowledge that bacteria routinely exchange genes between unrelated species, creating an extensive network of information flow independent of sexual reproduction. By acquiring new genes, each being a blueprint for a single protein, the bacteria gain also the functions the proteins perform... click to read more

Ever since Charles Darwin published On the Origin of Species, people have been fascinated with understanding the mechanisms of how species could change over time. Like sitting down with relatives around the dinner table during the holidays, it is sometimes hard for us to look... click to read more