Physicists uncover new data on adenine, a crucial building block of life
Thursday, August 18, 2011 - 14:01
in Astronomy & Space
Early Earth's atmosphere provided little shielding for ultraviolet light from space, so many prebiotic molecules, bombarded by it and light of other wavelengths, had a hard time surviving at all. But some molecules became photostableable to withstand the assault and thrive as building blocks of life.