1. The identity of the people buried in the cemetery is a mystery. The cemetery had been robbed in the past and no writing was found that indicates the names of those buried or their positions in life.
3. 4. We were wrong - the testes are connected to the immune system after all. Researchers have discovered a "very small door" that allows the testes to send one-way signals to the immune system, and it could explain why some men struggle with infertility, and why certain cancer vaccines keep failing.
4. Video of the year: "Tornado," Little Big Town
5. “These kinds of questions are really front and center, even though they’re not necessarily verbalized.”
6. Neumann, Silbermann and Sharp are three of 66 billionaires under 40 years old, a record for the Forbes list.