All forms of Earth life have specific chemicals in their makeup, such as amino acids and sugars. Scientists have known that ...
The discovery is a capstone achievement for NASA, which went to great lengths to secure and deliver asteroid samples from asteroid Bennu in 2020.
Only in-vivo neutron activation analysis (IVNAA) provides non-destructive testing of total body levels of the major body elements: calcium, sodium, chlorine, phosphorus, nitrogen, hydrogen, oxygen, ...