Method: Dip a glass rod in concentrated hydrochloric acid and put this in a sample of the gas. Result: If ammonia is present, a white ‘smoke’ of ammonium chloride is observed.

The two previous asteroid sample missions, by Japan, yielded considerably less material ... But it was more than enough to tease out the sodium-rich minerals and confirm the presence of amino acids, ...

The two previous asteroid sample missions, by Japan ... nitrogen in the form of ammonia and even parts of the genetic code. Some if not all of the delicate salts found at Bennu — similar ...