Though about 15 percent larger than the sun, the star has the same chemical composition, including similar concentrations of the rare elements barium and yttrium.
Roads & Kingdoms
Life After ISIS The Northern Iraqi city of Sinjar has been recaptured from ISIS, but it’s a long way from back to normal.
Best of Slate Podcasts
The Best of Slate Podcasts Only have time for one podcast this week? Make it this one.
The Craziest Endings in College Football History After the turkey, enjoy some classic finishes.