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KNM-ER 3733 is a relatively complete Homo ergaster cranium discovered in situ by Bernard Ngeneo in 1975 in Area 104 of the Koobi Fora formation in Kenya. The supraorbital tori being just exposed on the surface. The maxillary and facial skeleton was fragmented and exposed within a distance of about 50cm from the vault. Tooth crowns and an assortment of small fragments were recovered by sieving the area immediately below the skull. The cranium is large with only a slight postorbital constriction. The supraorbital tori are prominent, protruding anteriorly[1].

KNM-ER 3885 is an isolated right upper fourth premolar (P₄) crown classified as that from a Paranthropus boisei. This tooth is broader than it was long [1]. It was found in Area 104 of Koobi Fora at 8m below the A2 marker [2].

OH 5 is a cranium discovered by Mary Leakey in FLK I, Olduvai Gorge in 1959. It serves as the holotype for Paranthropus boisei and is also commonly known as ‘Zinjanthropus’, a genus name previously assigned to it by Leakey [1][2].

A circular accumulation of mammoth bones found in Molodova I site in Ukraine, is potentially the oldest Mammoth Hut structure found. The creation of this structure has been attributed to Neanderthals and has provided significant insight into the possible relationship between mammoths and early humans as well as information on Neanderthal subsistence strategies [1].

SK 7923, an unknown hominin from the Swartkrans cave site, in South Africa provided the earliest evidence of cancer in hominins. An osteosarcoma was found in its partial left fifth metatarsal, demonstrating that tumors unrelated to modern lifestyle also developed in ancient hominins [1][2].