This week: Two vitamin supplements that could do more harm than good and the truth about California’s “demonic” sea lions. Plus, archaeologists discover a new Egyptian tomb.  

PHOTOGRAPH BY DR. JOSEF WEGNER, PENN MUSEUM 

PHOTOGRAPH  BY  WOLFGANG VOLZ, LAIF/REDUX 

Experts agree that most people don't need to supplement all the vitamins they often think they do—something to keep in mind especially with vitamins A and E, which are associated with unique risks. Here's what you need to know.

ONE LAST THING: Corporate jargon drives many employees up the wall. Here’s why we still use it.  

Today’s newsletter was edited and curated by Jennifer Baik and produced by Amanda Williams-Bryant. Let us know if you have suggestions and sign up here to get the Photo of the Week on Sundays.