Further back than even the first cells on earth...
From the Superheroes in History challenge. See all 302 entries (closed)
( , Thu 4 Mar 2010, 19:33, archived)
From the Superheroes in History challenge. See all 302 entries (closed)
( , Thu 4 Mar 2010, 19:33, archived)
Yup
You should see the carbon backbone diagram for 'helicopterene'.
( ,
Thu 4 Mar 2010, 19:36,
archived)