Genetics

Researchers identify genetic markers to predict male fertility

A study performed by scientists at the Bellvitge Biomedical Research Institute and the Puigvert Foundation has identified a gene expression fingerprint associated with very low pregnancy rates in semen donors with normal ...

Ophthalmology

Women have bigger pupils than men

From an anatomical point of view, a normal, non-pathological eye is known as an emmetropic eye, and has been studied very little until now in comparison with myopic and hypermetropic eyes. The results show that healthy emmetropic ...

Medical research

Blame backbone fractures on evolution, not osteoporosis

Osteoporosis is blamed for backbone fractures. The real culprit could well be our own vertebrae, which evolved to absorb the pounding of upright walking, researchers at Case Western Reserve University say.

Medical research

Sexual selection by sugar molecule helped determine human origins

Researchers at the University of California, San Diego School of Medicine say that losing the ability to make a particular kind of sugar molecule boosted disease protection in early hominids, and may have directed the evolutionary ...

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