The world's first wooden satellite has been launched into space.The satellite, designed by Japanese researchers, was launched on Tuesday. Experts hope to test how timber can be used in the exploration of the moon and Mars.LignoSat will be flown to the International Space Station (ISS) on a SpaceX mission before it's released into Earth's orbit.Takao Doi, an astronaut who studies human space activities at Kyoto University, said using renewable materials would allow humans to "build houses, live a...