A monsoon lightning storm strikes the Mandalay Bay Resorts and Casino and Luxor hotels in Las Vegas, Nevada late July 7, 2014. (Reuters)

A monsoon lightning storm strikes the Mandalay Bay Resorts and Casino and Luxor hotels in Las Vegas, Nevada,  July 7, 2014. (Reuters)

No that’s not a real crocodile… On July 5, 2014 workers at Crocodile Park in metro Manila carefully unloaded a 21-foot crocodile robot called "Longlong" from the roof of a van. The lifelike robot croc, that contains thousands of mechanisms, was inspired by Lolong, the largest saltwater crocodile to have been in captivity. (Reuters)

No, that’s not a real crocodile. On July 5, 2014, workers at Crocodile Park in Manila carefully unloaded a 21-foot crocodile robot called “Longlong” from the roof of a van. The lifelike robot croc, which contains thousands of mechanisms, was inspired by Lolong, the largest saltwater crocodile to have been in captivity. (Reuters)

Low rain clouds are shown here passing over a group of wind turbines at the Capital Wind Farm near Tarago, Australia on July 9, 2014. (REUTERS)

Low rain clouds pass over a group of wind turbines at the Capital Wind Farm near Tarago, Australia, on July 9, 2014. (Reuters)

An Orbital Sciences Corporation Antares rocket that’s topped with a Cygnus spacecraft is raised on a launch pad at NASA's Wallops Flight Facility on Wallops Island, Va. on July 10, 2014. The spacecraft, scheduled for launch on July 13th, will deliver over 3,000 pounds of supplies to the International Space Station. (NASA)

An Orbital Sciences Corporation Antares rocket, topped with a Cygnus spacecraft, is raised on a launch pad at NASA’s Wallops Flight Facility on Wallops Island, Virginia, on July 10, 2014. The spacecraft, scheduled for launch on July 13, will deliver over 3,000 pounds of supplies to the International Space Station. (NASA)

Two Gallimimus dinosaur skeletons were put on display on at the United States Attorney's Office of Southern District in New York on July 10, 2014. American authorities agreed to return the remains of 18 dinosaurs to Mongolia after an investigation revealed that they had been smuggled into the US. (Reuters)

Two Gallimimus dinosaur skeletons on display at the United States Attorney’s Office of Southern District in New York on July 10, 2014. American authorities agreed to return the remains of 18 dinosaurs to Mongolia after an investigation revealed they’d been smuggled into the U.S. (Reuters)

NASA and ESA, the European space agency, released this image; captured by the Hubble Space Telescope, of the spiral galaxy NGC-1433 on July 11, 2014. Known as a Seyfert galaxy, which makes up about 10% of all galaxies, the NGC-1433 is about 32 million light-years from Earth. (Reuters)

NASA and ESA, the European space agency, released this image, which was captured by the Hubble Space Telescope, of the spiral galaxy NGC-1433 on July 11, 2014. Known as a Seyfert galaxy, which makes up about 10 percent of all galaxies, the NGC-1433 is about 32 million light-years from Earth. (Reuters)

A group of Bengal tigers are having a good time playing in a pool of water at the zoo in the city of Malabon in the Philippines on July 11, 2014. (Reuters)

A group of Bengal tigers enjoy a pool of water at the zoo in the city of Malabon in the Philippines on July 11, 2014. (Reuters)

Residents of Tokyo are reassured by twin rainbows that appeared at sunset, July 11, 2014, over city skyscrapers after Typhoon Neoguri passed through the region (Reuters)

Residents of Tokyo are reassured by twin rainbows that appeared at sunset, July 11, 2014, over city skyscrapers after Typhoon Neoguri passed through the region (Reuters)

A humanoid robot developed by researchers and students from the University of Bordeaux was displayed at the LaBRI workshop in Talence, France on July 7, 2014. This robot along other humanoid robots will compete at the annual 2014 world "RoboCup Championship” that will take place in Brazil from July 21 to 24. (Reuters)

A humanoid robot developed at the University of Bordeaux was displayed at the LaBRI workshop in Talence, France on July 7, 2014. This robot, along other humanoid robots, will compete in the annual 2014 world RoboCup Championship which will take place in Brazil from July 21 to 24. (Reuters)