In France the loss of taste and smell (la perte du goût et de l'odorat) is considered as one of the key symptoms of a SARS-CoV-2 infection (although googling shows that it is considered less defini…

I'm not a fisherman, but I just caught a cod fish (my first one) and found a lot of strange little creatures all over the fish: What are those? Are they harmful to the fish, or to the human? Edit…

The following paragraph on Wikipedia about the Hardy-Weinberg principle is bothering me. It should be mentioned that the genotype frequencies after the first generation need not equal the genotype

Most cases of sex chromosomal abnormalities in humans have a case of learning disability or less developed cognitive abilities. Wikipedia says: When additional X and/or Y chromosomes are present i…

What is it in our brain that makes having such experiences possible? I assume other species don't have these. Sure there are instances in the natural world where you can see individuals of the spec…

Overview table - Similarities and differences between the sun leaf and the shadow leaf Sun leaf / sun plant Shadow leaf / shade adapted to: warm, light-rich locations cool, low-light locations leaves small but numerous leaves large leaves to capture as much sunlight as possible cuticle thick, waxy cuticle to minimize water evaporation Sun exposure to shade plants is usually low, accordingly a thin cuticle Chloroplasts high chloroplast count significantly less chloroplasts Size of palisade and sponge tissue thick palisade and sponge tissue due to the high number of chloroplasts thin palisade and sponge tissue roots deep roots to as much water from deeper layers as possible to reach shallow roots