A study presents the theory that egg-sperm fusion, a crucial feature of sexual reproduction in plants and animals, may have originated from an ancient form of genetic exchange that involved the fusion of bacteria-like microorganisms ...
Evolution
Jul 12, 2022
1
1202
Paleontologists said Thursday they had discovered a new giant carnivorous dinosaur species that had a massive head and tiny arms, just like Tyrannosaurus rex.
Paleontology & Fossils
Jul 10, 2022
1
52
The human genome is littered with "selfish genetic elements," which do not seem to benefit their hosts, but instead seek only to propagate themselves.
Evolution
Jul 6, 2022
0
94
Researchers at McMaster University have unlocked an evolutionary mystery of a deadly pathogen responsible for fueling the superbug crisis: it can reproduce by having sex.
Molecular & Computational biology
Jun 27, 2022
0
338
Studying two highly divergent phyla of worms that contain numerous parasites that cause human and livestock diseases, the research group of Qi Zhou from the University of Vienna and Zhejiang University, sheds light on how ...
Evolution
Jun 15, 2022
0
56
Next time you go diving or snorkeling, have a close look at those wondrously long, bright green ribbons waving with the ebb and flow of water. They are seagrasses—marine plants which produce flowers, fruit, and seedlings ...
Plants & Animals
Jun 1, 2022
0
18
Close friendships among males are rare in the animal kingdom, as males usually compete for rank and access to females. However, male friendships can also be beneficial for male reproduction, as friends can provide support ...
Plants & Animals
May 25, 2022
0
60
Sometimes there are pretty valid reasons for leaving right after sex.
Plants & Animals
Apr 30, 2022
0
55
A team of researchers affiliated with several institutions in China and one in the U.S. has successfully derived offspring from a single unfertilized mammalian egg—in a mouse. In their paper published in Proceedings of ...
An international research team has shown that parthenogenesis, a form of asexual reproduction, negatively affects the genome evolution of the animals that practice it. In this type of reproduction, the offspring are produced ...
Plants & Animals
Feb 25, 2022
0
53
