There are around 550 different bee species in Germany. Most of them are solitary bees. They don't live in large beehives like the honeybee, but each female bee often builds multiple nests and feeds her offspring alone. Solitary ...
Ecology
Jul 6, 2017
0
51
It is known that genes inherited from ancient retroviruses are essential to the placenta in mammals, a finding to which scientists in the Laboratoire Physiologie et Pathologie Moleacuteculaires des Retrovirus Endogenes et ...
Biotechnology
Sep 2, 2016
2
663
Astronomer Royal Dr. Martin Rees wrote in 1999: "What makes things baffling is their degree of complexity, not their sheer size… a star is simpler than an insect."
Ecology
Aug 25, 2016
0
6
Scientists in China have finally succeeded in creating functioning sperm from mice in the laboratory. To accomplish this feat, the researchers coaxed mouse embryonic stem cells to turn into functional sperm-like cells, which ...
Cell & Microbiology
Feb 25, 2016
2
752
Signaling molecules of the Wnt family are ubiquitous in biology. From cnidaria to man, they are responsible for forming the basic shape of all organisms. Without Wnt, our body would not have a top or bottom, front or rear. ...
Cell & Microbiology
Nov 20, 2015
0
19
New research, published today in eLife, identified the neural circuit in the brain of the fruitfly (Drosophila melanogaster) that is responsible for detecting a taste pheromone, which controls the decision of male flies to ...
Plants & Animals
Jul 7, 2015
0
426
Defective cilia can lead to a host of diseases and conditions in the human body—from rare, inherited bone malformations to blindness, male infertility, kidney disease and obesity. Scientists knew that somehow these tiny ...
Cell & Microbiology
Jan 26, 2015
0
20
A miniscule cluster of estrogen-producing nerve cells in the mouse brain exerts highly specific effects on aggressive behavior in both males and females, according to new research by UC San Francisco scientists.
Cell & Microbiology
Jan 22, 2015
0
58
A team of researchers at Université Libre de Bruxelles in Belgium has found that desert ants (Cataglyphis savignyi) have a means for binding their spermatozoa into bundles that, by working together as a team, are able to ...
To better understand the causes of male infertility, a team of Bay Area researchers is exploring the factors, both physiological and biochemical, that differentiate fertile sperm from infertile sperm. At the 58th Annual Biophysical ...
Biochemistry
Feb 18, 2014
0
0
