Education Collections allow us to curate the most relevant online resources related to specific NOVA programs. Use this collection of resources as a source of inspiration for your classroom: find a ...

Did you know that beryllium is transparent to X-rays? Or yttrium is found in moon rocks and bullet-proof glass? Or that curium was named after Pierre and Marie Curie? Or that because tantalum is used ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

It’s not every day an element gets added to the periodic table. The last time it happened was 2016, when four new elements became official. For these elements, reaching the table was an epic quest ...

What makes the idea remarkable? It was a way of organising elements in the absence of any theory (Image: Theodore Gray/Visuals Unlimited/Corbis In A Tale of Seven Elements, Eric Scerri reveals ...