Caution Urged for Comparing Ancient and Modern Humans’ Oral Microbes
Caution Urged for Comparing Ancient and Modern Humans’ Oral Microbes
Microbial species that are commonly associated with oral diseases in modern humans are unreliable proxies for determining tooth health status in ancient samples, a new study finds.
Caution Urged for Comparing Ancient and Modern Humans’ Oral Microbes
Caution Urged for Comparing Ancient and Modern Humans’ Oral Microbes

Microbial species that are commonly associated with oral diseases in modern humans are unreliable proxies for determining tooth health status in ancient samples, a new study finds.

Microbial species that are commonly associated with oral diseases in modern humans are unreliable proxies for determining tooth health status in ancient samples, a new study finds.

ancient humans
Image of the Day: Stale Cereal
Image of the Day: Stale Cereal
Chia-Yi Hou | Jun 10, 2019
Archaeologists find ring-shaped objects made from grains at a site in Austria thought to date back to 960 BCE.
New Species of Human, <em>Homo</em> <em>luzonensis,</em> Identified in the Philippines
New Species of Human, Homo luzonensis, Identified in the Philippines
Katarina Zimmer | Apr 10, 2019
Thirteen hominin bones found in a cave are so unique that archaeologists have determined they stem from a distinct hominin species, although others question whether the researchers have enough evidence.
Modern Human Activities Muddle Analyses of Prehistoric Migrations
Modern Human Activities Muddle Analyses of Prehistoric Migrations
Anna Azvolinsky | Mar 22, 2019
Agriculture and other land uses can distort the levels of an earth mineral marker used to map the origins and movements of ancient humans and animals, a new study finds.
What Was Lost in the Fire that Destroyed Brazil&rsquo;s Largest Museum
What Was Lost in the Fire that Destroyed Brazil’s Largest Museum
Marcia Triunfol | Sep 4, 2018
Scientists work to help relocate colleagues who lost everything.
Ancient Humans Had Hepatitis B
Ancient Humans Had Hepatitis B
Abby Olena | May 9, 2018
Analyses of more than 300 ancient human genomes show that Hepatitis B virus has infected humans for at least 4,500 years and has much older origins than modern viral genomes would suggest.
Image of the Day: Pleistocene Footprints
Image of the Day: Pleistocene Footprints
The Scientist Staff, The Scientist Staff | Mar 29, 2018
Researchers find impressions left by a human some 13,000 years ago in British Columbia.
<em>Homo Sapiens</em> Interbred With Denisovans From Two Different Populations
Homo Sapiens Interbred With Denisovans From Two Different Populations
Shawna Williams | Mar 16, 2018
Researchers find that modern human populations carry distinct sets of genes from the extinct hominin species.
Humanity May Have Flourished After Supervolcano Eruption
Humanity May Have Flourished After Supervolcano Eruption
Diana Kwon | Mar 13, 2018
A new study counters the popular theory that after Mount Toba blew its top 74,000 years ago, humans almost went extinct.
Oldest Known Paintings Created by Neanderthals, Not Modern Humans
Oldest Known Paintings Created by Neanderthals, Not Modern Humans
Catherine Offord | Feb 26, 2018
The animal pictures and hand stencils were made in caves in Spain thousands of years before Homo sapiens arrived in Europe.