They also revealed that the United States» agricultural output and economy are significant beneficiaries of ancient farmers in East Asia, where soybean originated, and Central America and Mexico, where maize (corn) and other important staples were born. (sciencedaily.com)
Different mammal species produce slightly different flavors of sterols, and they have been used by archaeologists to determine whether ancient farmers used manure on their fields and to pinpoint the location of long - ago latrines. (discovermagazine.com)
The researchers concluded it is likely that ancient farmers favored the VRN - D4 variant of the vernalization gene in this region because of its high adaptive value in the local environment. (sciencedaily.com)