But the full account of how human thought emerges from a biological brain, a network of billions of neurons communicating via tiny electrical impulses, still ranks among the great scientific mysteries. (newscientist.com)
This idea could cut through some long - standing scientific mysteries. (discovermagazine.com)
«The evolutionary changes required to build the giraffe's imposing structure and to equip it with the necessary modifications for its high - speed sprinting and powerful cardiovascular functions have remained a source of scientific mystery since the 1800s, when Charles Darwin first puzzled over the giraffe's evolutionary origins,» said Cavener, a professor of biology and the Verne M. Willaman Dean of the Eberly College of Science at Penn State. (sciencedaily.com)