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evolution

number of breaks: 27

showing 21-25 of 27 breaks

The mutation that allowed our brain to grow

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

  • Reinier Prosee | PhD student at Department of Molecular Biology, Section of Biology, Faculty of Science, University of Geneva, Switzerland
Views 3677
Reading time 4 min
published on Aug 24, 2017
Howler monkeys: living a life in colour helps finding better food

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

  • Amanda D. Melin | Professor at Department of Anthropology and Archaeology & Alberta Children’s Hospital Research Institute University of Calgary, AB, Canada
Views 4280
Reading time 4 min
published on Jul 3, 2017
Human gut parasite has a sinister use for its stolen genes

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

  • Lukáš Novák | PhD student at Department of Parasitology, Faculty of Science, Charles University in Prague, Czech Republic
Views 3758
Reading time 3 min
published on May 18, 2017
Fancy footwork: Darwin’s pigeons and the evolution of foot feathers

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

  • Eric Domyan | Assistant Professor at Utah Valley University, 800 W. University Parkway, Orem
Views 4572
Reading time 3.5 min
published on Jan 20, 2017
Living without mitochondria: the downfall of one textbook truth

It was the greatest leap in evolution since the emergence of life on Earth. So-called eukaryotic cells, the building blocks of all multicellular organisms like you and me, animals, plants, fungi, and also a whole zoo of single-celled protists, evolved from a common ancestor more... click to read more

  • Lukáš Novák | PhD student at Department of Parasitology, Faculty of Science, Charles University in Prague, Czech Republic
Views 3998
Reading time 3.5 min
published on Oct 3, 2016