How nature and biology work
It is still winter here, it snowed a bit more, and as I was watching a crow rolling around in the snow on my neighbour’s roof, I wondered about all the animals having tho search for food in the snow. While many species ignore the topic completely by hibernating, that is not an option for…
Image source: envirobuild.com There is an endless number of species on this planet and we are nowhere close to having discovered them all. But scientists and “amateur” specialists are working hard every day to discover more. There is major motivation to do this often difficult work: Besides the fact that you will be the first…
Back in the 1700’s there lived a man called Carl von Linné, aka Carl Linnaeus. He was a biologist among other things and he is the one who standardized binominal nomenclature: Every known species has a name that is international. The science that sorts species into groups by how they are related, is called taxonomy….
Sexual selection is the term that defines the fact that in nature, often fit and sexy men are more likely to become fathers. This is shown in many different ways. The most well known example would be how two males fight, and the winner, being stronger or faster, or simply fitter, gets to mate with…
Birds don’t have hair, they have feathers. Mostly. Usually. (Recent studies show it is probable that many dinosaurs were feathered too!) Like us, in their skin they have follicles from which the feather grows. The main hard bit, the “spine” of the feather is called the shaft or rachis. The part of the shaft that…