Your gut bacteria need vitamin B12 just as much as you do. Though DNA is usually passed from parent to child, new research shows gut bacteria transfer genes through "sex" in order to take their vitamins.
Cell & Microbiology
Feb 1, 2022
0
1684
Through deep genetic analyses, Stanford Medicine scientists and their collaborators have found conclusive scientific evidence of contact between ancient Polynesians and Native Americans from the region that is now Colombia—something ...
Archaeology
Jul 8, 2020
8
16775
(Phys.org)—A French based research team has found DNA evidence in sweet potato samples that suggests that early Polynesian explorers visited South America. Those early explorers, the researchers write in their paper published ...
(Phys.org)—A team of researchers with members from Belgium, China, Peru and the U.S. has found evidence of bacterial DNA in the genome of the cultivated sweet potato. In their paper published in Proceedings of the National ...
Sweet potatoes may seem as American as Thanksgiving, but scientists have long debated whether their plant family originated in the Old or New World. New research by an Indiana University paleobotanist suggests it originated ...
Archaeology
May 21, 2018
1
450
Scientists at UC San Francisco and Harvard University have shown for the first time that cooking food fundamentally alters the microbiomes of both mice and humans, a finding with implications both for optimizing our microbial ...
Cell & Microbiology
Sep 30, 2019
3
701
Some foods are known as seasonal wonders, making an appearance only once or twice a year when families gather for holiday feasts. Cranberry sauce, pecan pie, eggnog. Sweet potatoes, typically with tiny marshmallows roasted ...
Plants & Animals
Apr 30, 2019
0
141
Evidence reported in the journal Current Biology on April 12 shows that sweet potatoes arose before there were any humans around to eat them. The findings also suggest that the sweet potato crossed the ocean from America ...
Biotechnology
Apr 12, 2018
3
177
A team of archaeologists affiliated with several institutions in Chile reports evidence that early settlers on the island of Rapa Nui sailed to South America, interacted with people living there and then returned. In their ...
A University of Otago, New Zealand, PhD student analysing dental calculus (hardened plaque) from ancient teeth is helping resolve the question of what plant foods Easter Islanders relied on before European contact.
Archaeology
Dec 15, 2014
2
1
