Archaeology. Ancient algae suggest sea route for first Americans.
Balter
Michael
M
D001208:Asia; D002677:Chile; D004641:Emigration and Immigration / Q000266:history*; D056890:Eukaryota; D005523:Food Supply; D049690:History, Ancient; D006801:Humans; D009656:North America; D009792:Oceans and Seas; D012624:Seaweed; D013020:South America