Volcanic lightning may have sparked life on Earth

时间:2017-09-11 04:00:17166网络整理admin

A REPEAT of a classic experiment into the origins of life on Earth shows it was more successful than anyone realised, and offers clues as to how life could arise on other planets. In the 1950s, Stanley Miller of the University of Chicago heated a mixture of water and gases thought to have been present in primordial Earth’s atmosphere, and zapped it with electricity to mimic the effect of lightning. This created five amino acids – the building blocks of proteins. Now Jeffrey Bada of the Scripps Institution of Oceanography in San Diego, California,