Two novel hypotheses have been proposed that address the 'two-fold cost of sex': one of the biggest enigmas in the evolution of sexual reproduction. Two novel hypotheses have been proposed that ...

This news release is available in Portuguese. A European and US consortium coordinated by Jorg Becker, group leader at the Instituto Gulbenkian de Ciencia (IGC; Portugal), has now received funding of ...

The Universitat Autònoma de Barcelona (UAB) forms part of an international consortium that is preparing the Tree of Sex project, an ambitious initiative aimed at decoding the evolutionary complexity ...

What really did come first--the chicken or the egg? Birds' reproductive biology is dramatically different from that of any other living vertebrates, and ornithologists and paleontologists have long ...

The evolution of sexual reproduction in living beings is one of the biggest mysteries in biology. There are two known modes of reproduction: asexual, where the organism creates clones of itself, and ...