Sixty-one rods were unearthed between 2004 and 2008 in Xi'an, Shaanxi province, at the Qin Mausoleum of Shenheyuan for royalty during the Warring States Period (475-221 BC). Provided to China Daily ...

Abstract: Recently, deep clustering methods have achieved remarkable results compared to traditional clustering approaches. However, its performance remains constrained by the absence of annotations.

Gram-positive bacteria show blue or purple after Gram-staining in a laboratory test. They have thick cell walls. Gram-negative bacteria show pink or red on staining and have thin walls. They release ...

I’m a zero at mental arithmetic. It’s true—I struggle with this skill—but I want to focus on the phrase itself. In our language, we often equate zero with something negative. But zero is the only real ...

Pew Research Center conducted this study to understand teens’ experiences and attitudes around teen mental health and social media. Part of this study also examines parents’ perspectives. The Center ...

Commuters at the Staten Island Ferry Terminal in New York City. Photo: Getty Images Shrinking consumer spending and recent stock market plunges reflect rising concerns about the true health of the ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

Negative reinforcement encourages specific behaviors by removing or avoiding negative consequences or stimuli. It is different than punishment, which aims to discourage a specific behavior. Negative ...

It is common for Internet of Things (IoT) devices, industrial sensors, meters, precision, and medical equipment to require both a positive and negative voltage. Often, these voltages must be ...