Are all people on Earth really connected through just six steps?
Stained glass is thicker at the bottom - so is it a liquid? Earth's mantle enables plate tectonics, so is it a liquid?
The materials collection, at the Harvard Art Museums in Cambridge, MA, houses thousands of pigments, including some of the world’s rarest. Dragon's blood, mummy, Indian yellow: these are but a few flashy highlights from the museum's collection.
