Machine learning holds great promise for classifying and identifying fossils, and has recently been marshaled to identify trackmakers of dinosaur ...

Students will learn how to categorize matter as either pure substances or mixtures. Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is ...

BEIJING, Jan. 23 (Xinhua) -- China has unveiled new rules classifying online information that may affect the physical and mental health of minors, as part of broader efforts to strengthen online ...