How Ancient Human Clues Ended Up in Rock

A lot of what we know about ancient human civilizations comes from the things they leave behind. But sometimes, humans don’t live in places long enough to leave these clues. So, some researchers have turned to techniques outside traditional archaeology to find evidence of ancient humans.

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Sources:
https://humanorigins.si.edu/education/introduction-human-evolution
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Images:
https://commons.wikimedia.org/wiki/File:Prehistoric_Tools_-_Les_Combarelles_-_Les_Eyzies_de_Tayac_-_MNP.jpg
https://www.istockphoto.com/photo/cuevas-del-drach-or-dragon-cave-mallorca-island-spain-gm1179433711-330023935
https://www.istockphoto.com/photo/big-room-in-carlsbad-cavern-national-park-gm172155099-3260171
https://www.istockphoto.com/photo/wierzchowska-gorna-cave-with-stalactites-and-stalagmites-in-wierzchowie-poland-gm157721344-7758717
https://commons.wikimedia.org/wiki/File:Towers_of_darkness.jpg
https://www.istockphoto.com/photo/dripstone-cave-under-budapest-gm696377154-128855077
https://www.istockphoto.com/photo/luray-caverns-gm182863860-14062310
https://www.storyblocks.com/video/stock/water-ripple-blue-3-b7dzp53
https://commons.wikimedia.org/wiki/File:HEUraniumC.jpg
https://www.istockphoto.com/photo/a-nature-dark-tunnel-through-mountain-to-a-cave-gm1266981247-371581597
https://www.istockphoto.com/photo/entrance-of-kocain-cave-near-antalya-gm655989436-119612165
https://commons.wikimedia.org/wiki/File:Biface_Cintegabelle_MHNT_PRE_2009.0.201.1_V2.jpg
https://www.istockphoto.com/photo/inside-karst-caves-stalagmites-and-stalactites-gm1256990492-368224277
https://www.eurekalert.org/multimedia/667844