Taking certain vitamin B supplements may cause bright yellow urine. Typically, urine should be pale yellow, clear, and free of particles. Darker urine may indicate dehydration. Urine can be a ...
A new analysis of fossils found in a Spanish cave suggests Neanderthals were capable of abstract thought, before any interactions with Homo sapiens. A total of 15 small marine fossils were found in ...
Background The amount of scientific literature available is often overwhelming, making it difficult for researchers to have a good overview of the literature and to see relations between different ...