Martin Starr plays software designer Gilfoyle in the HBO comedy Silicon Valley. In the show's new season, Gilfoyle and his fellow techies attend a startup competition named "Disrupt."
This Hubble Space Telescope image shows a star known as R Sculptoris, located 1,500 light-years from Earth, in the constellation of Sculptor. The black region at the centre of the image has been artificially masked.
Diann Rust-Tierney, executive director of the National Coalition to Abolish the Death Penalty, with teammate Barry Scheck, co-director of the Innocence Project.
Samuel LaHoz/Intelligence Squared U.S.
A view of a phytoplankton bloom near Alaska's Pribilof Islands. The milky green and light blue shading of the water indicates the presence of vast populations of microscopic phytoplankton.