bones
Arctic seals have weird bones in their noses that help them stay warm
Bearded seals have convoluted nasal bones that help keep heat in their bodies Ole Jorgen Liodden/naturepl.com Arctic seals have evolved a nifty adaptation for staying warm in icy climes: intricate, maze-like bones in their noses. Many birds and mammals, including humans, have a pair of thin, porous nasal bones called maxilloturbinates or nasal concha, which…
Traces of cannabis found in pre-modern human bones for the first time
A femur, one of the bones that held traces of cannabis Gaia Giordano, Mirko Mattia, Michele Boracchi, et al. The first evidence of cannabis discovered in archaeological skeletal remains comes from bones of people buried under a hospital in Milan, Italy, in the 17th century. “Molecules of medicinal plants can be detected by toxicological analysis…