News in brief.

The article presents science news briefs as of May 17, 2014. Topics include research by Erika Lopez Garcia of Brown University and colleagues that suggests mountains on Saturn's moon Iapetus may be formed of space debris, a report by Ron Fouchier of the Erasmus Medical Center and colleagues on mutations enabling airborne spreading of avian influenza to humans, and the discovery of a prehistoric bee nest in the La Brea Tar Pits.