Spoiler Alert !!
For those that cannot wait !!
Geobiologists discovered microbes in Mono Lake California ,this lake has one of the highest natural concentrations of arsenic on Earth.
Astrobiologist Dr Lewis Dartnell, of the Centre for Planetary Sciences in London, said yesterday: "This is exciting. If these organisms use arsenic in their metabolism, it demonstrates that there are other forms of life to those we knew of." ...."It opens up the possibility that Extra Terrestial aliens CAN exist in the solar system ".
