Scientists at Lobachevsky University (UNN) in Nizhny Novgorod are studying physico-chemical properties of steroid hormone crystals. Steroid hormones are a group of physiologically active substances that regulate the processes ...
Materials Science
Feb 15, 2018
0
9
Coral bleaching is a well-known consequence of climate change. What is less widely known is that sea anemones suffer the same fate, and this reduces the fertility of clownfish living in these anemones, as researchers from ...
Environment
Oct 10, 2017
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24
Testosterone controls specific features of birdsong in two distinct regions of the canary brain that resemble the human motor cortex, according to a study published in The Journal of Neuroscience. The research points to a ...
Plants & Animals
Aug 14, 2017
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2
Sex-changing fish exhibit differences in androgen receptor (AR) expression in muscles that are highly sensitive to androgens (male sex hormones) and essential for male courtship behavior, according to a Georgia State University ...
Plants & Animals
Jun 8, 2017
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6
Few things are as interesting to a male mouse as the scent of a female. Pheromones released by females draw the attention of male mice and trigger courtship and mating behavior.
Cell & Microbiology
Aug 17, 2016
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362
Indiana University researchers have discovered a hormonal mechanism in hamsters that connects short winter days with increased aggression in females, and that it differs from the mechanism that controls this same response ...
Plants & Animals
Nov 18, 2015
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1069
One of the biggest ideas in treating disease involves material so small it isn't even visible. Miniscule gold particles – the size of several atoms – are being touted as vehicles to send drugs exactly where they are needed ...
Bio & Medicine
Feb 18, 2015
0
16
A group led by Professor Kazuyoshi Tsutsui and Research Associate Takayoshi Ubuka, of the Waseda University Center for Advanced Biomedical Sciences, has discovered a hormonal mechanism for controlling aggressiveness in male ...
Plants & Animals
Jan 29, 2014
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0
For animals, prevailing in a fight affects their likelihood of winning future conflicts. The opposite is true of losing a fight. The sex hormone testosterone is often believed to mediate this "winner effect". Researchers ...
Plants & Animals
Apr 5, 2013
6
0
(Phys.org)—In male songbirds of the temperate zone, the concentration of sex hormones is rising in spring, which leads to an increase in song activity during the breeding season. In the tropics, there has been little evidence ...
Plants & Animals
Oct 31, 2012
0
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