Atomic number 16, atomic weight 32.064. Silicon (Si): Silicon is the second most abundant element in the earth's crust and can be found in rocks, sand and clay. It acts as a deoxidizer in steel ...

A U.S. Geological Survey study on the "crystal abundance" of different elements — meaning how much is available if you ...

The Earth has a layered structure made up of the core, the mantle and the crust. Different elements are present in different parts of the Earth’s structure. The crust is made from enormous ...

The chemical uniformity of Earth's mantle is greater than previously believed. Lavas from hotspots—whether erupting in Hawaii ...

UC Irvine-led research reveals that the optical properties of materials can be dramatically enhanced—not by changing the ...

The story that the Moon was produced by a Mars-sized object slamming into the Earth is widely accepted, but a new study ...

These 17 elements are widely used in smartphones, flat-screen TVs and LED lights, and are relatively abundant in the earth's crust. There are other uses for these elements: Yttrium and terbium ...

A recent Consumer Reports study has 12 brands of cinnamon that consumers should never use, following the amount of lead found ...

Goitre, alternately spelled as goiter, is a non-cancerous enlargement of the thyroid gland. Iodine deficiency is the primary ...

There is no safe limit of lead to consume. At the same time, completely eliminating the heavy metal in food isn’t feasible, ...

Lavas from hotspots—whether erupting in Hawaii, Samoa or Iceland—likely originate from a worldwide, uniform reservoir in ...