Fermentation may have driven human brain evolution

From Harvard University 24/12/23 The large, capable human brain is a marvel of evolution, but how it evolved from a smaller primate brain into the creative, complex organ of today is a mystery. Scientists can pinpoint when our evolutionary ancestors evolved larger brains, which roughly tripled in size as human ancestors evolved from the bipedal […]

Shocking: Inbreeding can be beneficial in the long run, for Reindeers at least

From Norwegian University of Science and Technology 28/09/23 “Of all the subspecies of reindeer found in the high north, the Svalbard reindeer has the most inbreeding and the lowest genetic diversity,” says Nicolas Dussex, a postdoc at Norwegian University of Science and Technology´s (NTNU) Department of Natural History. It was only 7000-8000 years ago that […]

Nature’s squinting: Urban light pollution linked to smaller eyes in birds

From Washington State University 21/09/23 The bright lights of big cities could be causing an evolutionary adaptation for smaller eyes in some birds, a new study indicates. Researchers found that two common songbirds, the Northern Cardinal and Carolina Wren, that live year-round in the urban core of San Antonio, Texas, had eyes about 5% smaller […]