(d) “Female” means a person belonging, at conception, to the sex that produces the large reproductive cell. (e) “Male” means ...

Is there only one optimal configuration an organism can reach during evolution? Is there a single formula that describes the trajectory towards the optimum? And can we 'derive' it in a purely ...

Discover how age and lifestyle impact your chances of success with IVF, and learn about the essential steps in this complex process ...