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Browsing Tag

Teeth

7 posts
SScience
Lead exposure to humans in modern times versus our ancestors. Image credit: J. Gregory / Mount Sinai Health System.
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Lead Exposure May Have Influenced Evolution of Human Brain, Behavior, and Development of Language

  • October 20, 2025
Several hominids — Australopithecus africanus, Paranthropus robustus, early Homo sp., Gigantopithecus blacki, Pongo sp., Papio sp., Homo neanderthalensis,…
SScience
Polβ enzyme found to protect developing brain from harmful DNA mutations
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Ancient lead exposure may have shaped human evolution and language

  • October 16, 2025
A groundbreaking international study changes the view that exposure to the toxic metal lead is largely a post-industrial…
SScience
An artist’s impression of Platysomus parvulus. Image credit: Joschua Knüppe.
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310-Million-Year-Old Ray-Finned Fish Had Tongue-Bite Apparatus

  • September 20, 2025
Platysomus parvulus, a species of ray-finned fish that lived 310 million years ago, had a unique way of…
SScience
New Species of Extinct Octodontoid Rodent Discovered from Amazonian Fossil
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New Species of Extinct Octodontoid Rodent Discovered from Amazonian Fossil

  • September 15, 2025
Paleontologists have identified a new species of rodent in Acarechimys, an extinct genus with a widespread South American…
WWildlife
This Bizarre Fish Has 8 Rows of Forehead Teeth It Uses During Sex
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This Bizarre Fish Has 8 Rows of Forehead Teeth It Uses During Sex

  • September 10, 2025
Spotted ratfish are scaleless, rabbit-faced deep-sea fish, about two feet (61 centimeters) long, and native to the northeastern…
HHealth
Gut bacteria provide key to identifying colorectal cancer from stool samples
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Unlocking the secrets of oral bacteria to fight tooth decay

  • September 6, 2025
If Wenjun Zhang has her way, no one will ever have to brush or floss again. Zhang, a…
SScience
Neolithic Cow Tooth Supports Welsh Origin of Stonehenge Stones
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Neolithic Cow Tooth Supports Welsh Origin of Stonehenge Stones

  • August 25, 2025
Archaeologists from University College London and elsewhere have examined a molar tooth of a female Bos taurus (cow)…
Ireland
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