Scienceblogtwo

The composition of the Earth's continents abruptly changed as a result of the evolution of land plants, according to research from the University of Southampton. Dr. Tom Gernon's Southampton team, along with associates from Queen's University of Canada, the University of Cambridge, the University of Aberdeen, and the China University of Geosciences, Wuhan, investigated how the evolution of land plants affected the Earth's chemical composition over the course of the previous 700 million years. Recent publications of the researchers' findings in Nature Geoscience. According to some study, ferns developed around 430 million years ago and were among the earliest terrestrial plants to conquer the continents. At this same time, the scientists record a significant change in the makeup of the continental crust, which they attribute to significant adjustments in river systems brought on by the evolution of land plants. Tom Gernon of the University of Southampton is to be cre...

Electricity and water may be used to break the strong chemical bonds in biomass, or plant matter, according to a newly established chemical technique by the researchers. These chemical instruments can access renewable energy derived from plants, potentially reducing our dependency on fossil fuels. Given the rising costs of energy and the rapidly developing effects of burning fossil fuels on the world climate, scientists have never had a more urgent need to find routes to completely renewable goods and fuels. According to Ned Jackson, an organic chemistry professor in the College of Natural Science at Michigan State University, "We use 20 million barrels of oil a day in the U.S.; that's roughly a fifth of the world's usage." "All of our liquid fuels and almost all of our manufactured goods, from garments and countertops to gasoline and gallon jugs, begin with petroleum, or crude oil." For all of these areas of daily life, it is crucial to provide the tools fo...

A plant scientist at the University of Missouri has developed a new method of assessing plant stress at a time when heat, drought, and floods are among the many stressors that plants are currently dealing with as a result of extreme weather occurrences. Reactive oxygen species (ROS), a group of chemicals that have previously been disparaged, are created by all organisms that use oxygen, including humans, animals, and plants. However, Ron Mittler at MU has discovered that ROS have a positive attribute: their function as a communication signal that might reveal whether plants are stressed. According to Mittler, who has a position at the College of Agriculture, Food, and Natural Resources, "when stresses from heat and drought are coupled together, plants don't have ground water to draw from, so they block the stomata [leaf pores], and this makes the leaves particularly hot." "This is why a plant exposed to both heat and drought will experience substantially greater leaf...

For hundreds of years, wild horses have grazed freely over the island of Assateague off the coasts of Maryland and Virginia, but it is still unclear how they arrived there. In a recent investigation, it was discovered that the ancient DNA taken from a cow tooth from one of Spain's earliest Caribbean colonies in the 16th century really came from a horse. Old folktales that claim horses were marooned on Assateague when a Spanish galleon sank seem to be more true than not, according to DNA analysis. The past of a barrier island off the coastlines of Virginia and Maryland has been rewritten as a result of an abandoned Caribbean colony discovered centuries after it had been forgotten and a case of mistaken identification in the archaeological record. When Nicolas Delsol, a postdoctoral researcher at the Florida Museum of Natural History, set out to examine ancient DNA extracted from cow bones discovered at archaeological sites, these ostensibly unconnected strands came together. The gen...