(Phys.org)—A small team of researchers from Dalhousie University, the University of Massachusetts and Tufts University has learned more about the ways that cetaceans copulate by using parts from dead sea animals to simulate ...
The first flower to appear along the path of plant evolution, during the time of the dinosaurs, was a hermaphrodite with petal-like organs arranged in concentric circles, researchers said Monday.
Plants & Animals
Aug 1, 2017
3
644
Evolution works in mysterious ways, especially when it comes to sex.
Plants & Animals
May 24, 2017
1
315
During the past decade, law enforcement agencies across the country have confronted the alarming trend of sex trafficking. The crimes often take place in hotel rooms, with perpetrators widely sharing photos of the victims ...
Other
Sep 7, 2016
0
5
(Phys.org)—For a long time, biologists have considered sex to be an inherent trait of multicellular life, while microbial eukaryotes were considered to be either optionally sexual or purely clonal. From this perspective, ...
In many animal species, the chromosomes differ between the sexes. The male has a Y chromosome. In some animals, however, for example birds, it is the other way round. In birds, the females have their own sex chromosome, the ...
Biotechnology
Jun 4, 2015
0
42
(Phys.org) —A combined team of researchers from Nagoya University and the University of Tokyo has discovered that a certain type of fern plant communicates with others of its kind using pheromones as a means of choosing ...
(Phys.org) —A trio of researchers, two with the University of Hamburg in Germany and a third with Macquarie University in Australia has discovered that male St. Andrew's Cross spiders sniff the webs of female spiders to ...
The images were obtained using cryo scanning electron microscopy, where the sample is plunged into liquid nitrogen to freeze it and imaged using the electron microscope.
Cell & Microbiology
May 14, 2013
0
0
(Phys.org) —DNA evidence is invisible and remarkably easy to transfer, making it possible for a sample to be spilled or even planted on a piece of evidence.
Biotechnology
Apr 30, 2013
0
0
