SANTIAGO - All five workers at Chile's El Teniente copper mine who were trapped in a collapse last week have been found dead, miner Codelco said on Sunday, as it vowed to investigate the cause and ...

Scientists at Columbia developed a healing gel made from yogurt that may hold the key to next-gen tissue regeneration.

The director of Chile’s El Teniente copper mine says the bodies of four out of five miners who had been trapped in a ...