That might help evolutionary biologists answer the question of why, for billions of years, and in every form of life on earth, only two base pairs are used.
They would have to implement the political equivalent of concentration camps, scorched earth, and martial law against the very base that elected them to Congress.
One could think of many reasons for considering a human base on Mars - such as over-population on Earth - but Darlene Lim is mainly motivated by the thrill of exploration.
Russia says it also remains committed to sending cosmonauts beyond Earth's orbit in the future, including to a permanent base on the moon that it says could be used as a future launching pad for flights to Mars.