High nitrogen losses by ammonia volatilization are expected when urea is used as the source of N. The use of controlled-release urea and urease inhibitors are possible strategies to reduce such losses ...

The United States is on track to see negative net migration for the first time in at least five decades, according to CNN, as President Donald J. Trump fulfills his promise to end the migrant invasion ...

Abstract: Positive and unlabeled (PU) learning aims to train a suitable classifier simply based on a set of positive data and unlabeled data. The state-of-the-art methods usually formulate PU learning ...

Super Bowl games use Roman numerals to mark their edition. This tradition began in 1971. It helps avoid confusion as seasons span two years. Roman numerals also add importance and ceremony to the ...

Your device does not support the audio. Some people can’t hide what they feel even when they try. You see it in their face, hear it in their voice, and catch it in the way they move. We often describe ...