Scientists say the first building blocks of organic life, amino acids and carboxylic acids, may have been formed from solar particles of solar eruptions colliding with gases in Earth's early atmosphere.
In the late 1800s, scientists speculated about the origins of life to have begun in a "warm little pond": A soup of chemicals, energized by lightning, heat, and other energy sources, that could mix together in concentrated amounts to form organic molecules.
When these conditions were recreated in a lab at the University of Chicago, US, in 1953, scientists were able to find that 20 different amino acids had formed.
