Natural sources of background radiation include: 1  Cosmic rays-radiation that reaches the Earth from space. 2  Rocks and soil-some rocks are radioactive and give off radioactive radon gas.atural sources. Natural sources of background radiation include: 1  Cosmic rays-radiation that reaches the Earth from space. 2  Rocks and soil-some rocks are radioactive and give off radioactive radon gas. 3  Living things-plants absorb radioactive materials from the soil and these pass up the food chain.
Rapper Kayo Redd, younger brother of hip-hop star Waka Flocka Flame, died yesterday in Atlanta. More News. Redd recently released a mixtape, Redd Kisses, and promoted it just hours before he died. The cause of his death has not been officially released; conflicting reports pin it to a shooting in his old neighborhood or suicide.
Boyzone singer Stephen Gately dies on holiday. Tributes from the world of pop music and beyond have poured in for the Boyzone singer Stephen Gately, who died in Majorca yesterday. Gately, who was 33, died at his holiday home in Port Andratx, where he was staying with his civil partner, Andrew Cowles. Spanish police said there were no signs of suspicious circumstances. Gately joined Boyzone in 1993 after answering an advert in Dublin to audition for Ireland's first boyband.