Sort:  

As the century is only starting, this is not clear. There were however many other striuking discoveries already in many different scientific fields as well. At the endW of the day, I would simply not rank them as I don't think there is really a need for that. This was my 2 cents :D

Coin Marketplace

STEEM 0.21
TRX 0.20
JST 0.033
BTC 93256.79
ETH 3124.97
USDT 1.00
SBD 3.05