Advertisements


Bacterial evolution in ancient sub-seafloor sediments

Micro-organisms persisting deep below the seafloor for millions of years continue to evolve despite living at the energy limit to life......»»

Category: topSource:  physorgAug 18th, 2021

Ancient DNA from Rapa Nui (Easter Island) refutes best-selling population collapse theory

Rapa Nui or Te Pito o Te Henua (the navel of the world), also known as Easter Island, is one of the most isolated inhabited places in the world. Located in the Pacific, it lies over 1,900 km east of the closest inhabited Polynesian island and 3,700 k.....»»

Category: topSource:  theglobeandmailRelated NewsSep 11th, 2024

Archaeologists discover an ancient Neanderthal lineage that remained isolated for over 50,000 years

A fossilized Neanderthal discovered in a cave system in the Rhône Valley, France, represents an ancient and previously undescribed lineage that diverged from other currently known Neanderthals around 100,000 years ago and remained genetically isolat.....»»

Category: topSource:  theglobeandmailRelated NewsSep 11th, 2024

Multiple ways to evolve tiny knee bone could have helped humans walk upright

The evolution of bones in primates' knees could have implications for how humans evolved to walk upright, a new study has found......»»

Category: topSource:  physorgRelated NewsSep 11th, 2024

Q&A: Looting of the Sudan National Museum—more is at stake than priceless ancient treasures

Reports continue to emerge of the alleged looting of tens of thousands of artifacts from the Sudan National Museum in Khartoum......»»

Category: topSource:  physorgRelated NewsSep 10th, 2024

Unlocking plant defense: Bacterial hijacking exposed

Bacterial wilt caused by Ralstonia solanacearum poses a severe threat to agriculture worldwide, affecting numerous crops. The pathogen's arsenal of type III effectors (T3Es) enables it to manipulate host defense mechanisms, aiding infection. One majo.....»»

Category: topSource:  theglobeandmailRelated NewsSep 10th, 2024

Shallow waters make the best carbon sinks, researchers find

Marine phytoplankton take up atmospheric carbon and carry it to the seafloor when they die and sink (a process known as organic carbon sedimentation). This biological carbon pump is a powerful part of Earth's carbon cycle, yet scientists don't have a.....»»

Category: topSource:  theglobeandmailRelated NewsSep 10th, 2024

Researchers reveal performance boost mechanism in single-atom catalyst for oxygen evolution reaction

Hydrogen energy, with its green, low-carbon and high-calorific-value properties, is emerging as the new key to solving the energy crisis. Electrochemically, water splitting has garnered much attention as a promising hydrogen production technique. How.....»»

Category: topSource:  informationweekRelated NewsSep 9th, 2024

Green hydrogen: MXenes show talent as catalyst for oxygen evolution reaction

The MXene class of materials has many talents. An international team led by HZB chemist Michelle Browne has now demonstrated that MXenes, properly functionalized, are excellent catalysts for the oxygen evolution reaction in electrolytic water splitti.....»»

Category: topSource:  informationweekRelated NewsSep 9th, 2024

References to ancient Britain linked to hostility online

Political posts on social media that most frequently referenced ancient history tended to be more extreme, hostile and overwhelmingly negative in tone than average, finds a new study by researchers from UCL and the University of Edinburgh......»»

Category: topSource:  physorgRelated NewsSep 9th, 2024

How did volcanism trigger climate change before the eruptions started?

New dating of a major ancient warming shows warming started before major eruptions. Enlarge / Loads of lava: Kasbohm with a few solidified lava flows of the Columbia River Basalts. (credit: Joshua Murray) As our climate.....»»

Category: topSource:  arstechnicaRelated NewsSep 8th, 2024

A mural honoring scientists hung in Pfizer"s NYC lobby for 60 years. Now it"s up for grabs

A mural honoring ancient and modern figures in medicine that has hung in the lobby of Pfizer's original New York City headquarters for more than 60 years could soon end up in pieces if conservationists can't find a new home for it in the next few wee.....»»

Category: topSource:  physorgRelated NewsSep 7th, 2024

Editorial: Rest assured, Ancient teens were full of existential angst too

If you're a young person (or a parent of one), you may be thinking some big thoughts about your future. Am I going to go to university? Maybe I'll look at a trade? I might want to travel? Or maybe I don't? Do I have to decide now? I don't know what I.....»»

Category: topSource:  physorgRelated NewsSep 6th, 2024

Just how dangerous is Great Salt Lake dust? New research looks for clues

As Utah's Great Salt Lake shrinks, exposing more of its playa, concerns grow about the dust the dry lakebed emits. But scientists lack the data to fully understand what pollutants are present in these airborne sediments......»»

Category: topSource:  theglobeandmailRelated NewsSep 6th, 2024

Angiosperms study provides insights into genome evolution after whole-genome duplications

Whole-genome duplication (WGD, or polyploidy) is a common and frequent occurrence in plants, providing raw genetic material for evolution. Homoeologs (duplicate genes from a WGD) often diverge in expression levels, while some still maintain similar (.....»»

Category: topSource:  physorgRelated NewsSep 5th, 2024

Researchers prove 120-million-year-old volcanism on moon

Extensive geologic evidence of ancient volcanic activity can be found on the moon, but how long this volcanism persisted has been unclear. However, Prof. Li Qiuli's Lab at the Institute of Geology and Geophysics of the Chinese Academy of Sciences (IG.....»»

Category: topSource:  physorgRelated NewsSep 5th, 2024

What is societal collapse? Lessons from the past can help us understand our future, but only to a point

As the climate crisis accelerates, it's hard not to wonder if today's societies can adapt. Growing worries over climate change have sparked interest in the collapse of ancient civilizations and the rise of the (often apocalypse-themed) "cli-fi" genre.....»»

Category: topSource:  physorgRelated NewsSep 5th, 2024

Kara Sprague joins HackerOne as CEO

HackerOne announced that it has appointed Kara Sprague to succeed Marten Mickos as CEO. Sprague joins HackerOne at a powerful moment in its evolution, having seen 200% product growth in its pentesting and AI red teaming business and 120% growth in vu.....»»

Category: securitySource:  netsecurityRelated NewsSep 3rd, 2024

New discovery of how bacteria navigate their environment could change how we treat infection

Scientists from the University of Sheffield have discovered a new sensory capability in bacteria which could transform treatments for bacterial infections......»»

Category: topSource:  physorgRelated NewsSep 2nd, 2024

Double-peaked supernovae offer clues to pre-supernova outbursts

New research helps in understanding the evolution and final stages of massive stars, the role of binary interactions, and the mechanisms behind mass loss, which ultimately affect the properties of the resulting supernova and its remnant. This work al.....»»

Category: topSource:  physorgRelated NewsSep 2nd, 2024

Five lessons from ancient civilizations for keeping homes cool in hot, dry climates

Modern buildings tend to take electricity and air conditioning for granted. They often have glass facades and windows that can't be opened. And when the power goes out for days in the middle of a heat wave, as the Houston area experienced in July 202.....»»

Category: topSource:  physorgRelated NewsSep 2nd, 2024