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 ...
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 ...
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 ...