ScienceMind-BlowingIf Earth's history was condensed into twenty-four hours, life would've appeared at around 4am, land plants at 10:24pm, dinosaur extinction at 11:41pm, and human history would’ve began at 11:58:43pm.253k
ScienceMind-BlowingIf Earth's 4.5-billion-year history were compressed into one calendar year, modern humans (Homo sapiens) would appear at about 11:37 PM on December 31st—just 23 minutes before midnight.213k