Boyd, 21 — who had himself called 911 — died after an encounter with police at his Maryland home that ended with officers punching and subduing him.
Some researchers go to the jungle in the name of medical discovery. Others brave mosquito bites, spiders and snakes. This team headed to Disney World.
More than 15 EMS crews responded to a Petco store in southwest of the city, officials said.
Hubble has found evidence of geysers on Jupiter's moon Europa.
Roof, a professed white supremacist, is charged with killing nine people at Charleston's Emanuel African Methodist Episcopal Church last year.