This post is the first in a three-part series on how living creatures use the elements of the periodic table. Learn more about the elements on NOVA's two-hour special, "Hunting The Elements." When you ...

Foremost among silicon's distinguishing features is that, quite simply, there is a hell of a lot of it. After oxygen, it's the second most abundant element in the Earth's crust -- but don't expect to ...

Which is your favourite chemical element? To mark the International Year of the Periodic Table, our science journalists will be making the case for their pick from the 118 known elements. In this ...