Spacecraft sent to investigate Mars provide invaluable data allowing scientists to create models that aid our understanding of planetary atmospheres. Now, Franck Lefèvre of the University of Paris and ...

Bert M. Weckhuysen has a dream. Someday he’d like to produce a movie showing what happens on a catalytic solid at a submolecular level. That dream remains out of reach, he admits. But after more than ...

Students learn to classify matter as elements, compounds, and mixtures. Matter: Classification of Matter: Students learn to classify matter as elements, compounds, and mixtures and to distinguish ...