Both Vice President Joe Biden and GOP vice presidential candidate Paul Ryan, shown at their debate on Thursday, are practicing Catholics. Mary Altaffer/AP hide caption

The Angleton Wildcats pose for picture day. The team of 7- and 8-year-olds is from the south Texas town of Angleton. Tom Goldman/NPR hide caption

A tiny bacteriophage virus can cripple the bacteria that cause troublesome acne on teens' skin. Charles Bowman/University of Pittsburgh hide caption

Urushiol, the chemical in poison ivy, is also harvested from the Japanese lacquer tree to coat lacquerware. Here, a rash caused by lacquerware that likely was not properly cured. Kenji Kabashima hide caption

Roy Lichtenstein leaves it up to the viewers to decide what has just transpired in his 1964 painting of a tense phone call titled Ohhh ... Alright ... Estate of Roy Lichtenstein hide caption