It is one of the more memorable experiments of high school chemistry lessons: when elemental sodium comes into contact with water it burns and explodes. Sodium simply isn't happy in its elemental form ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. This is ...

It is an icon of natural science and hangs in most chemistry classrooms: the periodic table of elements, which is celebrating its 150th birthday this year. The tabular overview is closely linked to ...