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
This indicates that the storage root was an already-existing trait that predisposed the plant for cultivation and not solely the result of human domestication, as previously thought. This discovery, published today in Nature ...
Plants & Animals
Nov 11, 2019
0
270
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
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
(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 ...
In just six years, bacteria in the genus Rickettsia spread through a population of the sweet potato whitefly (Bemisia tabaci), an invasive pest of global importance. Infected insects lay more eggs, develop faster and are ...
Plants & Animals
Apr 7, 2011
1
0
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 ...
Imagine blasting off on a multiyear voyage to Mars, fueled by a diet of bland, prepackaged meals. As space agencies plan for longer missions, they're grappling with the challenge of how to feed people best. Now, researchers ...
Space Exploration
Jan 2, 2024
0
130
DNA analysis of mummified poop reveals two pre-Columbian Caribbean cultures ate a wide variety of plants, like maize, sweet potato, and peanuts—and tobacco and cotton traces were detected too, according to a study published ...
Archaeology
Oct 11, 2023
0
344
In today's pet food market, there are products to match nearly every lifestyle, value system, and price point pet owners demand, including vegan formulations. New University of Illinois research shows at least two human-grade, ...
Veterinary medicine
Mar 27, 2023
0
415
