Because I doubt it. We've had ancestors as smart as (or in the case of Democrats, smarter than) us for a really, really long time.
- Homo erectus, not humans, may have invented the barbed bone point
- Neandertals, Stone Age people may have voyaged the Mediterranean [2018]
- Controversial footprint discovery suggests human-like creatures may have roamed Crete [2017]
- Code hidden in Stone Age art may be the root of human writing [2016]
- The Discovery that Revealed Ancient Humans Navigated the Seas 130,000 Years Ago [2013]
- Ancient Mariners: Did Neanderthals Sail to Mediterranean? [2012]
- Anthropologist suggests Mediterranean islands inhabited much earlier than thought [2012]
- The writing on the wall: Symbols from the Palaeolithic [2012]
- Did Stone Age cavemen talk to each other in symbols? [2012]
- Seafaring in the Aegean: new dates [2012]
- Neanderthals were ancient mariners [2012]
- Stone-age toddlers had art lessons, study says [2011]
- Cretan tools point to 130,000-year-old sea travel [2011]
- Ancient hominids may have been seafarers [2010]
- Macro-Etymology: Paleosigns [writing 20,000 years ago?] [2005]
- Were Cavemen Painting For Their Gods? [2005]