GlobalXplorer: How You Can Be a Space Archeologist

A “hybrid of Indiana Jones and Google Earth,” archaeologist Sarah Parcak uses satellite imagery to scour the earth for remains and lost cities and now she’s inviting us regular schmoes to do the same. Parcak has just launched GlobalXplorer°, an online tool that means we can help search for these important sites so that archaeologists get there before looters do. She says, “Most people don’t …

Link About It: This Week’s Picks

Saying goodbye to Mary Tyler Moore, architecture in Paris, the world's first hydrogen metal and more in our look around the web

1. Earth’s First-Ever Hydrogen Metal With pressure greater than the force within Earth’s core, two diamonds pressed upon liquid hydrogen and something happened for the first time ever on our planet: the lightest element in the periodic table turned into a small bit of metal. After years of research and experiments, this alchemical creation occurred under the direction of two Harvard physicists—whose paper was published …

Earth’s First-Ever Hydrogen Metal

With pressure greater than the force within Earth’s core, two diamonds pressed upon liquid hydrogen and something happened for the first time ever on our planet: the lightest element in the periodic table turned into a small bit of metal. After years of research and experiments, this alchemical creation occurred under the direction of two Harvard physicists—whose paper was published in the journal Science. The …