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 have examined whether the presence of an audience influences the behavior and the testosterone changes of Japanese quails (Coturnix japonica) after a fight. The evidence shows that both winners and losers exhibit raised testosterone levels after a conflict without an audience. Continue reading →
A new report looked at the vulnerability of 54 breeding bird species to climate change impacts occurring by the year 2050 in Arctic Alaska. The assessment found that two species, the gyrfalcon and common eider are likely to be “highly” vulnerable, while seven other species would be “moderately” vulnerable to anticipated impacts. Five species are likely to increase in number and benefit from a warming climate. Continue reading →
As the Democratic daughter of a Republican father, I know firsthand that political parties don’t matter when it comes to family. And the coalition that came together to defeat Proposition 23 in California was a bipartisan breath of fresh air.
As the pu… Continue reading →