Ancient source of oxygen for life hidden deep in the Earth’s crust — ScienceDaily

Scientists at Newcastle University have discovered a source of oxygen that may have influenced the evolution of life before the advent of photosynthesis. The pioneering research project, led by Newcastle University’s School of Natural and Environmental Sciences and published today in Nature Communications, uncovered a mechanism that can generate hydrogen peroxide from rocks during the … Read more

Mine Tales: Copper around Jerome, AZ has especially ancient geology | History

William Ascarza Special to the Arizona Daily Star The Verde Mining district grew to become one of the greatest copper producers in Arizona from 1883 until 1992. Two primary mines produced more than 99% of the district’s copper production: the United Verde and the United Verde Extension, also known as the UVX. The district, located … Read more

Legacy of ancient ice ages shapes how seagrasses respond to environmental

Deep evolution casts a longer shadow than previously thought, scientists report in a new paper published the week of Aug. 1 in the Proceedings of the National Academy of Sciences. Smithsonian scientists and colleagues looked at eelgrass communities—the foundation of many coastal marine food webs along the north Atlantic and Pacific coasts—and discovered their ancient … Read more

NCCS-Enabled Simulations of Massive Ancient Volcanic Eruption Show Unexpected Climate Warming

NCCS-Enabled Simulations of Massive Ancient Volcanic EruptionsShow Unexpected Climate Warming This photograph shows waterfalls flowing from basalt outcrops along the Columbia River in Oregon. Gigantic volcanic eruptions 15 to 17 million years ago deposited basalt layers like these across a vast region known as the Columbia River Basalt Group. Photo by Steven Sobieszczyk, US Geological … Read more

Prehistoric roots of ‘cold sore’ virus traced through ancient herpes

Ancient genomes from the herpes virus that commonly causes lip sores – and currently infects some 3.7 billion people globally – have been uncovered and sequenced for the first time by an international team of scientists led by the University of Cambridge. Ancient genomes from the herpes virus that commonly causes lip sores – and … Read more

Ancient DNA clarifies the early history of American colonial horses

A newly identified 16th century horse specimen is among the oldest domestic horses from the Americas known to date, and its DNA helps clarify the history of horses in the Western Hemisphere, according to a study published July 27, 2022, in the open-access journal PLOS ONE by Nicolas Delsol of the University of Florida, USA, … Read more

How did Earth avoid a Mars-like fate? Ancient rocks hold clues

Approximately 1,800 miles beneath our feet, swirling liquid iron in the Earth’s outer core generates our planet’s protective magnetic field. This magnetic field is invisible but is vital for life on Earth’s surface because it shields the planet from solar wind—streams of radiation from the sun. Approximately 1,800 miles beneath our feet, swirling liquid iron … Read more

Ancient Microbes May Help Us Find Alien Life Forms

Artist’s rendering of the process by which microbes capture sunlight for energy with rhodopsin proteins. Credit: Sohail Wasif/UCR Light-capturing proteins illuminate Earth of billions of years ago. Scientists have reconstructed what life was like for some of Earth’s earliest organisms by using light-capturing proteins in living microbes. These endeavors could help us recognize signs of … Read more

Researchers chart advances in ancient DNA technology

Over the past 10 years, researchers led by FU Qiaomei from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences (CAS) have used ancient DNA (aDNA) technology to unearth the history of ancient human populations, especially those in East Asia. Over the past 10 years, researchers led by FU Qiaomei … Read more