Latest Felisa Wolfe-Simon Stories
A 2010 controversial study that discovered a certain bacterium used arsenic instead of phosphorous to build its DNA had been heavily scrutinized by the scientific community.
NASA-funded researchers announced earlier this month that they had found a new life form that thrives on arsenic, but critics are skeptical of the new outlook.
NASA-funded astrobiology research has changed the fundamental knowledge about what comprises all known life on Earth.
- A coin originally worth six pennies Scots, and later three; held equivalent to an English halfpenny.
- (in plural) Money; cash.