Because of the need for a precise match between the male and female cloaca and for fine control of muscles at the tail base for tail display, internal fertilization in salamanders imposes constraints on the anatomy and position of the cloaca, which, in turn, presumably restricts variability in ...
The secretive Egyptian effort to support Sudan’s military on social media this summer by the company in Cairo, New Waves, was just one part of a much bigger operation that spanned the Middle East and targeted people in at least nine Middle Eastern and North African countries, according to ...