The sway of a woman’s hips is not intended to impress men. So say researchers who have found that women have the sexiest walk during the part of the monthly cycle when they are least fertile. The finding implies that women use a variety of signals to advertise their fertility to men, using some signals to advertise when they are ovulating and others to conceal the fact.
Meghan Provost at Queen’s University in Ontario, Canada, and colleagues dressed female volunteers in suits adorned with light markers placed along the joints and limbs. This allowed them to film each woman as she walked and then analyse her…
