'Nightline' Daily Line, August 6: NASA Rover Makes Historic Mars Landing

6:30 p.m. ET: They say the eyes are window to the soul, and now scientists say the pupils can also reveal a person's sexual orientation.

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For the first time, researchers at Cornell University have used a specialized infrared lens to measure pupillary changes while subjects watched erotic videos to determine which gender they found attractive.

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5:33 p.m. ET: OLYMPICS SPOILER ALERT: The U.S. Women's soccer team had a thrilling game against Canada, but did they win? Find out HERE

3:01 p.m. ET:

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12:45 p.m. ET: Was Steve Jobs on board with an iPad Mini?

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12:15 p.m. ET: Oh. Snap. Elton John is bashing Madonna again.

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The singing legend has been feuding with Madonna on and off for the last few years, but his remarks about her in an interview for Australian TV that aired on Sunday night were harsh, even for him. Not only did he declare her career "over," but he said she looked like a "fairground stripper."

Read the full story HERE

11:03 a.m ET: The man suspected of opening fire on Sunday in a Sikh temple in Oak Creek, Wis., was identified as Wade Michael Page, a 40-year-old former member of the U.S. Army, police said on Monday.

Seven people were killed, including the suspected gunman, in Sunday's shooting. The six victims identified by police-five men and one woman-ranged in age from 41 to 84, reports Yahoo News.

Read the full story HERE

9:55 a.m. ET: Curiosity, NASA's $2.5 billion Mars Science Laboratory rover, has made a safe landing on the surface of the red planet after an eight month, 352-million-mile journey. NASA says it received a signal from the Curiosity rover after a plunge through the Martian atmosphere described as " seven minutes of terror." video platform video management video solutions video player

Check out pictures of the exciting landing HERE