Women can get a free pregnancy test and a free ultrasound at the clinic, as well as counseling regarding three options — parenting, adoption and abortion. The clinic will not refer clients for abortions. Becky Sullivan/NPR hide caption

Victor Barillas (left) and his friend Joey Ponce de Leon. Ponce de Leon opposed the HIV prevention pill until learning it had saved Barillas. Adrian Florido/NPR hide caption

The STAR detector used in the antimatter experiment is the size of a house. It's able to track particles created when atoms collide at its center. BNL/STAR Collaboration hide caption

Director Quentin Tarantino attends a march to denounce police brutality in New York City on Oct. 24. At the rally, Tarantino said, "I have to call the murdered the murdered, and I have to call the murderers the murderers" — drawing considerable backlash from police unions. Kena Betancur/Getty Images hide caption

A swing set is all that remains in the backyard of a house in Middletown, Calif., after a devastating wildfire. Birth certificates and marriage licenses were among the important things destroyed. Lesley McClurg/Capital Public Radio hide caption

The dwarf tapeworm, or Hymenolepis nana, is the most common tapeworm in humans. It's 2 inches long at most. Courtesy Peter Olson, Natural History Museum, London hide caption