Google was one of five Silicon Valley companies included in a recent study that looked at executive-level representation for Asian-Americans in the tech industry. Marcio Jose Sanchez/AP hide caption

itoggle caption Marcio Jose Sanchez/AP

Officers stand watch at the intersection of West North Avenue and Pennsylvania Avenue as protesters walk for Freddie Gray in Baltimore in April. Gray died from spinal injuries about a week after he was arrested and transported in a police van. Jabin Botsford/The Washington Post/Getty Images hide caption

itoggle caption Jabin Botsford/The Washington Post/Getty Images

ResearchKit, presented by Apple's Jeff Williams in March, enables app creation to aid medical research. Eric Risberg/AP hide caption

itoggle caption Eric Risberg/AP

High-definition video cameras with 30x magnification keep watch over the Boston Marathon finish line, where two bombs detonated in 2013, killing three people and injuring hundreds. Jesse Costa/WBUR hide caption

itoggle caption Jesse Costa/WBUR

More Americans are ditching traditional cash and plastic, opting instead for new mobile payment applications. But new research indicates cash isn't completely dead. Amy Sancetta/AP hide caption

itoggle caption Amy Sancetta/AP

A drone built by Agribotix, a Boulder startup, flies over a farm in Weld County, Colo. The drone has a camera that snaps a high-resolution photo every two seconds. From there, Agribotix stitches the images together, helping the farmer see what's happening in a field. Luke Runyon/Harvest Public Media/KUNC hide caption

itoggle caption Luke Runyon/Harvest Public Media/KUNC

Science says she really doesn't it like it when you do that. LouLou & Tummie/ImageZoo/Corbis hide caption

itoggle caption LouLou & Tummie/ImageZoo/Corbis

China's WeChat messaging app has a huge audience that allows Chinese to organize online. Petar Kujundzic/Reuters/Landov hide caption

itoggle caption Petar Kujundzic/Reuters/Landov

Tony Zhou's essay on the dilemma directors face integrating new technologies references this scene from the BBC TV series Sherlock, in which text messages are depicted on screen. YouTube/A Brief Look at Texting and the Internet in Film hide caption

itoggle caption YouTube/A Brief Look at Texting and the Internet in Film

Tony Zhou's essay on the dilemma directors face integrating new technologies references this scene from the BBC TV series Sherlock, in which text messages are depicted on screen. YouTube/A Brief Look at Texting and the Internet in Film hide caption

itoggle caption YouTube/A Brief Look at Texting and the Internet in Film

A recent UCLA study found that screen time could negatively affect children's ability to read emotion. But scientists are still unsure how much screen time is too much for a child. Anatoliy Babiy/iStockphoto hide caption

itoggle caption Anatoliy Babiy/iStockphoto

Meg Whitman, the current president and CEO of Hewlett-Packard, will lead one of the two companies the tech giant is creating by dividing its corporate services and printing/PC units. Richard Drew/AP hide caption

itoggle caption Richard Drew/AP