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More than 100 years ago, Golgi staining on nerve cells opened the gates to modern neuroscience. Scientists recently developed the Technicolor version of Golgi staining, Brainbow, allowing more detailed reconstructions of brain circuits.
Television satirist Bassem Youssef waves to supporters as he enters Egypt's state prosecutors office to face accusations of insulting Islam and the country's Islamist leader in Cairo on Sunday.
This undated photo taken from the Kaufman County, Texas, website shows Kaufman County District Attorney Mike McLelland. McLelland and his wife were found killed in their house on Saturday.
From left, Sen. Jeff Flake, R-Ariz., Sen. Chuck Schumer, D-NY, Sen. John McCain, R-Ariz., and Sen. Michael Bennett, D-Colo, arrive at a news conference after their tour of the Mexico border with the United States on Wednesday in Nogales, Ariz. The senators are part of the "Gang of Eight," a larger group of legislators collaborating on changes to immigration.
Ross D. Franklin/AP
Baylor's Brittney Griner goes up to dunk in a second-round game of the NCAA women's college basketball tournament against Florida State on Tuesday in Waco, Texas. On Sunday, Baylor faces Louisville.
Syracuse forward C.J. Fair (No. 5) shoots over Marquette forward Jamil Wilson (No. 0) during the second half of the East Regional final in the NCAA men's college basketball tournament on Saturday.
Pablo Martinez Monsivais/AP
Joy Reynolds of San Diego looks at the newspapers on display at the Newseum in Washington, D.C., on June 29, 2012, following the Supreme Court ruling on President Obama's health care law.