February 7 is National Periodic Table Day, when we celebrate the efforts of scientists over the centuries to figure out how different elements ...
Rubies and emeralds have the colors they do because, like many substances, they absorb some colors of light. Most visible light, like sunlight, is composed of all the colors of the rainbow: red, ...
Amid Earth’s mobile tectonic plates, subduction zones arise as regions of intense geological activity and concentrate minerals into ore deposits like gold.
I picked up Racing Green by Kit Chapman, which I really enjoyed! So when I was interested in picking up more nonfiction, ...
On the periodic table, semiconductors (also known as metalloids ... to be insulators with narrow band gaps. For a visual explanation of N-type versus P-type semiconductors, including a clear ...
New Pompeii excavation reveals a large private thermal complex built 2,000 years ago Scientists discovered 50,000-year-old viruses in Neanderthal DNA that could help explain their mysterious ...
Lithium batteries are in the news constantly. But lithium has plenty of other uses. It's a drug for bipolar disorder. It used ...
Silicon (Si) is a metalloid, element number 14 on the periodic table. Like carbon, silicon has four bonding sites, but silicon is more than twice as heavy as carbon. The high melting point of ...
The new era of nuclear power generation greater than the force of the Sun has arrived and is ready for deployment. For the ...
I was fascinated by the idea of jet packs when I was a kid. They were sci-fi magic, and the idea that you could strap into an ...
Teacher-generated instructional videos have a host of benefits in the classroom and are a dynamic alternative to traditional direct teaching. They can serve as a valuable touchpoint for students, much ...
Think of a seashell. Don’t think of a conch. In fact, forget, for now, about univalve mollusks entirely. Think of Shell, the ...