New Evidence For Corn's Ancestry Could Lead To Insect And Drought Resistant Crops
...idencefor Tripsacum , found at Tamaulipas Mexico, predates that teosinteby about 500 years. Nevertheless, Mangelsdorf joined the teosinte bandwagon in the 1980safter other researchers discovered Zea diploperennis growing on thethreshold of extinction in the mountains of Jalisco, Mexico. Rescued fromthe wi...Researcher Identifies Two New Violet Species In Central America
...iology atOhio University. "It's likely their group predates the last Ice Age in CentralAmerica." The violets were discovered some time ago growing in parts of CentralAmerica, and were classified as existing species. But upon closer inspection ofthe specimens, Ballard determined the two violets were ne...Chinese And US Scientists Identify The World's Oldest Flowering Plant
... the ancient plant. The find, Sun and Dilcher say, predates the previous oldest-known flower by more than 25 million years. "We're finding, back into the Jurassic, the roots of flowering plants, which demonstrates that a line of plants related to the magnolia ... is a very early part of plant ancestry," said...Scientists Discover Key Cog In Receptor That Governs Ripening
...ancient origin for this protein function,"one that predates the evolution of land plants altogether. Moreover, similar genes are known to exist in other plants, the tomato, forexample, which is only a distant relative of Arabidopsis. What that allsuggests, Bleecker said, is an intriguing economy of nature whe...Newly found bipedal reptile fossil predates dinosaurs by more than 60 million years
...known fossil of an upright, bipedal reptile, which predates the age of the dinosaurs by at least 60 million years, has been discovered by an international team of scientists including two University of Toronto paleontologists. "There are only a couple of times in evolutionary history when animals have gone fr...Parasite's sperm-encryption keeps species apart
...of the bacterium to alter the insects reproduction predates other genetic reproductive barriers. That supports the argument that Wolbachia can promote host speciation. Bordenstein, OHara and Werren needed to look at the numerous genetic barriers that kept the species from interbreeding and determine which o...... world, believed to be the evolutionary stage that predates present biological systems. It was published today (April 2, 2001) by scientists at the University at Buffalo and the University of Tokyo in EMBO Journal (Vol. 20, no. 7), publication of the European Molecular Biology Organization. In evolving new...Cave men diets offer insights to today's health problems, study shows
...s for what we eat today. Although 10,000 years ago predates all modern civilizations, it is a small blip in the evolutionary timeline of humans. Some nutritionists believe that by studying what people ate in the Paleolithic Era, also known as the Old Stone Age, they can determine the proper mix of foods for m...... to reduce fishing pressures on this species which predates the dinosaurs but whose numbers have been declining in recent years. Volunteers can learn more about the census at http://www.ocean.udel.edu/mas/bhall/hsccensus/ CONTACT: Bill Hall, Marine Education Specialist, Delaware Sea Grant, (O) 302-645-4253...