It’s time for “Nerd News,” covering the most important news for your brain. Here’s a quick rundown of this week in science:

1.  The oldest known sentence written in the first alphabet was discovered in Israel, on a comb used for removing lice from people’s hair.  It’s made of ivory and is about 3,700 years old.

The sentence reads:  “May this tusk root out the lice of the hair and the beard.”


2.  Archaeologists found a huge tunnel under a temple in Egypt, and think it might lead to Cleopatra’s tomb.  Her Roman lover Mark Antony might be there too.


3.  Swiss scientists found the exact nerve groups that need to be stimulated to help people with spinal cord injuries walk again.  They already knew delivering shocks to the spine can help people regain some function.  Now they know more about how it works, which could lead to further breakthroughs.


4.  Two patients in the U.K. became the first to receive transfusions of artificial blood made in a lab.  Each only got a few teaspoons worth.  If it’s safe, it could be used for people with rare blood types, and help treat blood disorders.