35K views · 368 reactions | Cosmic rays are tiny bits of atoms racing by us — and even sailing right through our bodies — all the time. Physicists can’t figure out where they came from, but they have some wild hypotheses: | Vox | Facebook

To understand the attack on Charlie Hebdo, here's what you need to know about satire in French politics and culture. | Vox

72K views · 2.1K reactions | In 1660, the British royal family...