Since then, the periodic table has evolved to reflect over 150 years of scientific development and understanding in chemistry and physics. Today, with 118 known elements, it is widely regarded as one ...

New research reveals that Earth and Mars lost essential elements due to violent cosmic collisions, not early planetary ...

Known as the "Chemical Eye Guy," MacDougall has frequently served as a science commentator on WMOT, a National Public Radio station serving the Nashville region. Why is this your favorite element?: ...

They are formed of simple molecules or individual elements arranged in repeating chains, sheets, or three-dimensional arrays. Minerals are typically formed when molten rock, or magma, cools ...

Scientists have long debated why Earth and Mars lack certain essential elements. A new study reveals that these missing ...

That thing that you see behind your teacher on the wall in science lessons. It actually tells us a lot about the elements that make up the world around us. Cal: Ok. So, what actually is the ...

Most elements are rarely found in their pure form ... this interactive chemistry activity designed for the GCSE combined science CCEA Single Award specification.

Eighty out of the first 82 elements in the periodic table have stable isotopes. Measuring and analysing their distribution allows for many practical applications. The IAEA assists Member States in ...

Transposable elements, or "jumping genes", were first identified by Barbara McClintock more than 50 years ago. Why are transposons so common in eukaryotes, and exactly what do they do? In addition ...