Most birds, and by that we mean 97 percent of all species, don’t have external genitalia and instead have what’s known as a cloaca (as did dinosaurs ). Seen in birds, reptiles, amphibians, some fish, ...
Pull your ear forward and it’ll ping back, thanks to the elastic cartilage it’s made up of. Elastic cartilage is actually quite rare as tissue types go, and a pivotal clue during the team’s ...
The composition of nodes that effectively transmit sinusoidal waves in a model network resembling C. elegans' electrical synapses network changes according to the waves' wavenumber.