Ajit Pai @AjitPai
"It was the beginning of chemistry." Scientists have long believed that the 1st molecule that emerged after the Big Bang was the helium hydride ion, or HeH+. But they had never found HeH+ in nature--until now, in a nebula 3,000 light years away. https://t.co/9ZFIqddRmf — PolitiTweet.org