Now we know that the chemistry of the entire Milky Way is organic, not just our home planet, and it is likely that any extraterrestrial galactic life would be related to us, at
least on the molecular level.
The Department of Homeland Security, ever the
least controversial branch of the US Government, is developing a new laser - based scanner that can scan targets at a
molecular level to read what they had for breakfast, how much adrenaline is pumping through their body and whether you they have any trace amounts of drugs or gunpowder
on them.