Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

A fluctuating trade-off between reproduction and survival in a feral population of Soay sheep may resolve the age-old question of why natural selection has failed to eradicate genes for both infection ...

A Soay sheep on the island of Hirta, St Kilda archipelago, Scotland. Photo by Martin Stoffel. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to ...