The "flashier" a male guppy is, the more likely a female guppy will choose him as a mate, giving him the opportunity to pass his genes along to the next generation. This is sexual selection at ...

The male guppies that were depicted in this sexual selection model only begin to demonstrate the vast range of colors and patterns expressed by wild guppies. Below are some examples of wild ...

This image shows a female and two male guppies (Poecilia reticulata) from the Arima River, Trinidad. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted ...

(Keep in mind that dogs can be in labor for up to 24 hours.) Here are seven visual signs your dog is likely going into labor ...

Societies that practise female infanticide always show many other signs of bias against females. Women are perceived as subservient because of their role as carers and homemakers, whilst men ...

Let’s broaden the topic and not only think of women in leadership, but of allowing more characteristically “female” attributes in leadership per se. After all, not all men are alpha male and ...

They helmed an extensive study of Trinidadian guppies to gather elusive data on relatively short swims. This information can help explain the larger mystery of why some individuals leave the ...

Labor Day was officially established and signed into law by President Grover Cleveland in 1894 to recognize the contributions of American workers. Smithsonian Libraries houses many books dealing with ...

This title is part of a longer publication history. The full run of this journal will be searched. TITLE HISTORY A title history is the publication history of a journal and includes a listing of the ...