Journal

What is Pyrite? "Pie-right". I know it sounds like 'Pirate', but this metallic rock won't take over your ship. Pyrite is a shiny iron sulfide (FeS2 for you chem nerds) that is found in a wide varie...

What a cool lady! Inge Lehmann was a Danish seismologist who discovered that Earth has an inner (solid) core and a outer (molten) core. Born in Denmark in 1888, Inge was lucky to attend a progress...

Cuffs Measure your wrist all the way around with a fabric measuring tape. Prefer a more snug fit? Order a half inch smaller than your wrist measurement. Prefer a more loose fit? Order the exact s...