Seth Chagi (World of Paleoanthropology🏺)
@sethchagi.bsky.social
Fighting for #Science and #STEM!
Follow for news and content surrounding #HumanOrigins, #RockArt!
Links - https://linktr.ee/worldofpaleoanthro
Father, Husband, Stoic, Animist, Paleoanthropologist, STEAM, Science Communicator, Book Lover, FUCK TRUMP!
Follow for news and content surrounding #HumanOrigins, #RockArt!
Links - https://linktr.ee/worldofpaleoanthro
Father, Husband, Stoic, Animist, Paleoanthropologist, STEAM, Science Communicator, Book Lover, FUCK TRUMP!
Pech-de-l’Azé I (~50 ka): Neanderthals powdered manganese dioxide—it lowers wood’s ignition temp and speeds char burn—likely for on-demand fire. #PaleoPost #HumanOrigins #Neanderthals #Pyrotechnology
Paper: www.nature.com/articles/sre...
Paper: www.nature.com/articles/sre...
November 14, 2025 at 6:55 PM
Pech-de-l’Azé I (~50 ka): Neanderthals powdered manganese dioxide—it lowers wood’s ignition temp and speeds char burn—likely for on-demand fire. #PaleoPost #HumanOrigins #Neanderthals #Pyrotechnology
Paper: www.nature.com/articles/sre...
Paper: www.nature.com/articles/sre...
Where caves sing, painters gathered: at El Castillo/Northern Spain sites, art clusters coincide with acoustic “hot spots,” hinting sound shaped placement. #PaleoPost #ArchaeologyOfTheSenses #Archaeoacoustics
Paper: doi.org/10.1121/1.49...
Paper: doi.org/10.1121/1.49...
November 13, 2025 at 7:05 PM
Where caves sing, painters gathered: at El Castillo/Northern Spain sites, art clusters coincide with acoustic “hot spots,” hinting sound shaped placement. #PaleoPost #ArchaeologyOfTheSenses #Archaeoacoustics
Paper: doi.org/10.1121/1.49...
Paper: doi.org/10.1121/1.49...
Marsoulas Cave, France (~18 ka): a conch shell horn with a drilled apex and red-ochre dots—music amid the art. Hearing shaped ritual spaces. #PaleoPost #ArchaeologyOfTheSenses #Paleosound
Paper: www.science.org/doi/10.1126/...
Paper: www.science.org/doi/10.1126/...
November 12, 2025 at 5:41 PM
Marsoulas Cave, France (~18 ka): a conch shell horn with a drilled apex and red-ochre dots—music amid the art. Hearing shaped ritual spaces. #PaleoPost #ArchaeologyOfTheSenses #Paleosound
Paper: www.science.org/doi/10.1126/...
Paper: www.science.org/doi/10.1126/...
Shanidar (Iraq) & Franchthi (Greece): charred food remains show pounded pulses, grasses, and bitter mustards—multi-ingredient cooking long before farming. #PaleoPost #ArchaeologyOfTheSenses #Neanderthals #Shanidar
Paper: doi.org/10.15184/aqy...
Paper: doi.org/10.15184/aqy...
November 11, 2025 at 11:04 PM
Shanidar (Iraq) & Franchthi (Greece): charred food remains show pounded pulses, grasses, and bitter mustards—multi-ingredient cooking long before farming. #PaleoPost #ArchaeologyOfTheSenses #Neanderthals #Shanidar
Paper: doi.org/10.15184/aqy...
Paper: doi.org/10.15184/aqy...
Cave art where sound sings: decorated zones at El Castillo/Niaux often align with acoustic “hot spots”—evidence hearing shaped painting choices. #PaleoPost #ArchaeologyOfTheSenses #Archaeoacoustics
Paper: doi.org/10.1121/1.49...
Paper: doi.org/10.1121/1.49...
November 10, 2025 at 2:09 PM
Cave art where sound sings: decorated zones at El Castillo/Niaux often align with acoustic “hot spots”—evidence hearing shaped painting choices. #PaleoPost #ArchaeologyOfTheSenses #Archaeoacoustics
Paper: doi.org/10.1121/1.49...
Paper: doi.org/10.1121/1.49...
Sibudu Cave, S. Africa (~77 ka): layered sedge/grass bedding laid on ash and topped with aromatic camphor-bush leaves—bug-repellent beds later burned for hygiene. #PaleoPost #HumanOrigins #Sibudu #ArchaeologyOfTheSenses
Paper: www.science.org/doi/10.1126/...
Paper: www.science.org/doi/10.1126/...
November 9, 2025 at 9:43 AM
Sibudu Cave, S. Africa (~77 ka): layered sedge/grass bedding laid on ash and topped with aromatic camphor-bush leaves—bug-repellent beds later burned for hygiene. #PaleoPost #HumanOrigins #Sibudu #ArchaeologyOfTheSenses
Paper: www.science.org/doi/10.1126/...
Paper: www.science.org/doi/10.1126/...
It's going to 'rock'! Be there or be square!
November 8, 2025 at 4:53 PM
It's going to 'rock'! Be there or be square!
Science is a way of thinking.” Cerutti Mastodon (~130 ka) claims very early humans in California. Bones + cobbles fuel tests and rebuttals—skeptical inquiry in action. #PaleoPost #Skepticism #Cerutti
Paper: www.nature.com/articles/nat...
Paper: www.nature.com/articles/nat...
November 8, 2025 at 9:23 AM
Science is a way of thinking.” Cerutti Mastodon (~130 ka) claims very early humans in California. Bones + cobbles fuel tests and rebuttals—skeptical inquiry in action. #PaleoPost #Skepticism #Cerutti
Paper: www.nature.com/articles/nat...
Paper: www.nature.com/articles/nat...
Extraordinary claims require extraordinary evidence.” Piltdown’s “missing link” (1912) unraveled: human skull + orangutan jaw, stained & filed—one forger. Science fixed it. #PaleoPost #SkepticalToolbox #Piltdown #HumanOrigins
Paper: royalsocietypublishing.org/doi/10.1098/...
Paper: royalsocietypublishing.org/doi/10.1098/...
November 7, 2025 at 11:37 AM
Extraordinary claims require extraordinary evidence.” Piltdown’s “missing link” (1912) unraveled: human skull + orangutan jaw, stained & filed—one forger. Science fixed it. #PaleoPost #SkepticalToolbox #Piltdown #HumanOrigins
Paper: royalsocietypublishing.org/doi/10.1098/...
Paper: royalsocietypublishing.org/doi/10.1098/...
Hohle Fels, Germany (~42–40 ka): a griffon vulture radius flute with five finger holes—among the earliest known instruments of the Aurignacian. #PaleoPost #HumanOrigins #Aurignacian #HohleFels
Paper: www.nature.com/articles/nat...
Paper: www.nature.com/articles/nat...
November 6, 2025 at 6:15 PM
Hohle Fels, Germany (~42–40 ka): a griffon vulture radius flute with five finger holes—among the earliest known instruments of the Aurignacian. #PaleoPost #HumanOrigins #Aurignacian #HohleFels
Paper: www.nature.com/articles/nat...
Paper: www.nature.com/articles/nat...
Neanderthals weren’t just survivors — they were creators. 🖐️🪶🔥
From pigment-stained shells to deep-cave constructions, their symbolic world reveals imagination long before Homo sapiens arrived.
#Neanderthals #Prehistory #Archaeology #HumanOrigins #Symbolism #PaleoArt
From pigment-stained shells to deep-cave constructions, their symbolic world reveals imagination long before Homo sapiens arrived.
#Neanderthals #Prehistory #Archaeology #HumanOrigins #Symbolism #PaleoArt
November 6, 2025 at 12:51 PM
Neanderthals weren’t just survivors — they were creators. 🖐️🪶🔥
From pigment-stained shells to deep-cave constructions, their symbolic world reveals imagination long before Homo sapiens arrived.
#Neanderthals #Prehistory #Archaeology #HumanOrigins #Symbolism #PaleoArt
From pigment-stained shells to deep-cave constructions, their symbolic world reveals imagination long before Homo sapiens arrived.
#Neanderthals #Prehistory #Archaeology #HumanOrigins #Symbolism #PaleoArt
Olorgesailie, Kenya (≥295–320 ka): non-local obsidian points and red pigments show long-distance exchange and early social networks in the MSA. #PaleoPost #HumanOrigins #Olorgesailie #MSA
Paper: www.science.org/doi/10.1126/...
Paper: www.science.org/doi/10.1126/...
November 5, 2025 at 10:58 AM
Olorgesailie, Kenya (≥295–320 ka): non-local obsidian points and red pigments show long-distance exchange and early social networks in the MSA. #PaleoPost #HumanOrigins #Olorgesailie #MSA
Paper: www.science.org/doi/10.1126/...
Paper: www.science.org/doi/10.1126/...
Sibudu Cave (≥70 ka): compound hafting glue—plant gum + red ochre (often with coarse grit) mixed and heated near hearths to set—made stone points stick. #PaleoPost #HumanOrigins #Sibudu #MiddleStoneAge
Paper: www.pnas.org/doi/10.1073/...
Paper: www.pnas.org/doi/10.1073/...
November 4, 2025 at 3:07 PM
Sibudu Cave (≥70 ka): compound hafting glue—plant gum + red ochre (often with coarse grit) mixed and heated near hearths to set—made stone points stick. #PaleoPost #HumanOrigins #Sibudu #MiddleStoneAge
Paper: www.pnas.org/doi/10.1073/...
Paper: www.pnas.org/doi/10.1073/...
Fa-Hien Lena, Sri Lanka (~48 ka): tiny bone arrow points—the earliest bow-and-arrow tech outside Africa. Rainforest hunters with precision tools. #PaleoPost #HumanOrigins #FaHienLena #OsseousTech
Paper: www.science.org/doi/10.1126/...
Paper: www.science.org/doi/10.1126/...
November 3, 2025 at 12:33 PM
Fa-Hien Lena, Sri Lanka (~48 ka): tiny bone arrow points—the earliest bow-and-arrow tech outside Africa. Rainforest hunters with precision tools. #PaleoPost #HumanOrigins #FaHienLena #OsseousTech
Paper: www.science.org/doi/10.1126/...
Paper: www.science.org/doi/10.1126/...
Taforalt, Morocco (~82 ka): perforated Nassarius gibbosulus shells with use-wear and ochre = early personal ornaments. #PaleoPost #HumanOrigins #Taforalt #SymbolicBehavior
Paper: www.pnas.org/doi/10.1073/...
Paper: www.pnas.org/doi/10.1073/...
November 2, 2025 at 1:56 PM
Taforalt, Morocco (~82 ka): perforated Nassarius gibbosulus shells with use-wear and ochre = early personal ornaments. #PaleoPost #HumanOrigins #Taforalt #SymbolicBehavior
Paper: www.pnas.org/doi/10.1073/...
Paper: www.pnas.org/doi/10.1073/...
Before the Oldowan: Lomekwi 3, Kenya (3.3 Ma). Massive phonolite cores, anvils & thick flakes—the earliest known knapped stone tools. #PaleoPost #HumanOrigins #Lomekwi #Lomekwian
Paper: www.nature.com/articles/nat...
Paper: www.nature.com/articles/nat...
November 1, 2025 at 2:52 PM
Before the Oldowan: Lomekwi 3, Kenya (3.3 Ma). Massive phonolite cores, anvils & thick flakes—the earliest known knapped stone tools. #PaleoPost #HumanOrigins #Lomekwi #Lomekwian
Paper: www.nature.com/articles/nat...
Paper: www.nature.com/articles/nat...
Blombos Cave, S. Africa (~100 ka): two abalone shells held an ochre-rich compound (ground ochre, bone, charcoal + liquid)—a stored pigment mix and early chemistry. #PaleoPost #HumanOrigins #Blombos #MiddleStoneAge
Paper: www.science.org/doi/10.1126/...
Paper: www.science.org/doi/10.1126/...
October 31, 2025 at 11:58 AM
Blombos Cave, S. Africa (~100 ka): two abalone shells held an ochre-rich compound (ground ochre, bone, charcoal + liquid)—a stored pigment mix and early chemistry. #PaleoPost #HumanOrigins #Blombos #MiddleStoneAge
Paper: www.science.org/doi/10.1126/...
Paper: www.science.org/doi/10.1126/...
Pinnacle Point, South Africa (≥164 ka): early H. sapiens heated silcrete in hearths to improve flaking—pyrotechnology for better blades. #PaleoPost #HumanOrigins #MiddleStoneAge #PinnaclePoint
Paper: www.science.org/doi/10.1126/...
Paper: www.science.org/doi/10.1126/...
October 30, 2025 at 7:40 PM
Pinnacle Point, South Africa (≥164 ka): early H. sapiens heated silcrete in hearths to improve flaking—pyrotechnology for better blades. #PaleoPost #HumanOrigins #MiddleStoneAge #PinnaclePoint
Paper: www.science.org/doi/10.1126/...
Paper: www.science.org/doi/10.1126/...
Katanda, DRC (~90 ka): uniserial barbed bone points from a Middle Stone Age fishery—among the earliest known harpoons. #PaleoPost #HumanOrigins #MiddleStoneAge #Katanda
Paper: www.science.org/doi/10.1126/...
Paper: www.science.org/doi/10.1126/...
October 30, 2025 at 2:16 PM
Katanda, DRC (~90 ka): uniserial barbed bone points from a Middle Stone Age fishery—among the earliest known harpoons. #PaleoPost #HumanOrigins #MiddleStoneAge #Katanda
Paper: www.science.org/doi/10.1126/...
Paper: www.science.org/doi/10.1126/...
Königsaue, Germany (~80 ka): Neanderthals made birch-bark tar in low-oxygen pits and used it to haft stone tools—the earliest known synthetic material. #PaleoPost #HumanOrigins #Neanderthals #BirchTar
Paper: doi.org/10.1007/s125...
Paper: doi.org/10.1007/s125...
October 29, 2025 at 3:24 PM
Königsaue, Germany (~80 ka): Neanderthals made birch-bark tar in low-oxygen pits and used it to haft stone tools—the earliest known synthetic material. #PaleoPost #HumanOrigins #Neanderthals #BirchTar
Paper: doi.org/10.1007/s125...
Paper: doi.org/10.1007/s125...
I don’t think this is real; but it is funny! 😆
October 28, 2025 at 10:01 PM
I don’t think this is real; but it is funny! 😆
Shanidar Cave with Dr Emma Pomeroy: how Neanderthals may have returned to a “memory place” to lay their dead—incl. Shanidar Z. Watch: youtu.be/TdBxOkvWxb0 Evidence: doi.org/10.15184/aqy... #ShanidarCave #Neanderthals #HumanOrigins #PaleoPost
October 28, 2025 at 5:32 PM
Shanidar Cave with Dr Emma Pomeroy: how Neanderthals may have returned to a “memory place” to lay their dead—incl. Shanidar Z. Watch: youtu.be/TdBxOkvWxb0 Evidence: doi.org/10.15184/aqy... #ShanidarCave #Neanderthals #HumanOrigins #PaleoPost
Jerimalai, Timor-Leste: pelagic fishing by ~42 ka; shell fishhooks appear 23–16 ka (with a complete 11 ka example)—early seafaring tech in Wallacea. #PaleoPost #HumanOrigins #TimorLeste #MaritimeTech
Paper: www.science.org/doi/10.1126/...
Paper: www.science.org/doi/10.1126/...
October 28, 2025 at 4:59 PM
Jerimalai, Timor-Leste: pelagic fishing by ~42 ka; shell fishhooks appear 23–16 ka (with a complete 11 ka example)—early seafaring tech in Wallacea. #PaleoPost #HumanOrigins #TimorLeste #MaritimeTech
Paper: www.science.org/doi/10.1126/...
Paper: www.science.org/doi/10.1126/...
Krapina, Croatia (~130 ka): eight white-tailed eagle talons show smoothed cut marks, polished facets & small notches—clear Neanderthal ornaments. #PaleoPost #Neanderthals #Krapina #SymbolicBehavior
Paper: doi.org/10.1371/jour...
Paper: doi.org/10.1371/jour...
October 28, 2025 at 10:35 AM
Krapina, Croatia (~130 ka): eight white-tailed eagle talons show smoothed cut marks, polished facets & small notches—clear Neanderthal ornaments. #PaleoPost #Neanderthals #Krapina #SymbolicBehavior
Paper: doi.org/10.1371/jour...
Paper: doi.org/10.1371/jour...