20 · RANKD / TOP 7
General
Top 7 Scientific Discoveries
Ranked by Simon
0
0
0
01
DNA Structure
02
Theory of Relativity
03
Penicillin
04
Evolution
05
Electricity
06
Gravity
07
Quantum Mechanics
Would you rank this the same?
Make your call.
Your choice becomes part of the conversation around this RANKD.