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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

Microbes found to destroy certain "forever chemicals" by cleaving stubborn fluorine-to-carbon bonds

A UC Riverside environmental engineering team has discovered specific bacterial species that can destroy certain kinds of "forever chemicals," a step further toward low-cost treatments of contaminated drinking water sources......»»

Category: topSource:  physorgRelated NewsJul 17th, 2024

Researchers reveal parsec-scale radio emission properties of dual AGNs by multi-phase-center VLBI observations

Galaxy mergers play a crucial role in the cosmological evolution of galaxies. During galaxy merging, tidal torques can trigger the accretion and feedback of the central black holes in merging galaxies, forming dual active galactic nuclei (AGNs)......»»

Category: topSource:  theglobeandmailRelated NewsJul 17th, 2024

Bennu asteroid samples unveiled

In a discreet vacuumed-packed container inside a FedEx box lies a piece of ancient history; extremely ancient history......»»

Category: topSource:  physorgRelated NewsJul 16th, 2024

Harnessing big data helps scientists hone in on new antimicrobials

Researchers have developed a strategy to identify new antimicrobial drugs with therapeutic promise from bacterial datasets, providing clues for discovering alternatives to traditional antibiotics......»»

Category: topSource:  physorgRelated NewsJul 16th, 2024

Ancient microbes offer clues to how complex life evolved

A new study published in Science Advances reveals a surprising twist in the evolutionary history of complex life. Researchers at Queen Mary University of London have discovered that a single-celled organism, a close relative of animals, harbors the r.....»»

Category: topSource:  physorgRelated NewsJul 16th, 2024

Surprising ring sheds light on galaxy formation

The question of what triggers the extremely rapid star formation within Hyper Luminous Infrared Galaxies (HyLIRGs), as yet unknown, is of much interest to guide our understanding of the formation and evolution of galaxies in the universe. A new photo.....»»

Category: topSource:  physorgRelated NewsJul 15th, 2024

Zooplankton study challenges traditional views of evolution

In new research, Arizona State University scientists and their colleagues investigated genetic changes occurring in a naturally isolated population of the water flea, Daphnia pulex. This tiny crustacean, barely visible to the naked eye, plays a cruci.....»»

Category: topSource:  physorgRelated NewsJul 15th, 2024

Idiotfruit and tree kangaroos: Why the ancient rainforests of Queensland"s Wet Tropics are so distinctive

In Queensland's northern reaches lie the Wet Tropics, spanning about 450 kilometers between Townsville and Cooktown. These mountainous rainforests are a relic of the ancient continent of Gondwana, dating back million of years when Australia and parts.....»»

Category: topSource:  physorgRelated NewsJul 15th, 2024

Did plague really decimate Neolithic farmers 5,200 years ago, as a new study suggests?

Around 5,200 years ago, plague was not just present but common in six generations of one Swedish family, according to a new study. The researchers analyzed both the ancient DNA of these people's skeletal remains and the pathogens that left traces in.....»»

Category: topSource:  physorgRelated NewsJul 15th, 2024

How old are South African fossils like the Taung Child? Study offers an answer

One hundred years ago, the discovery of a skull in South Africa's North West province altered our understanding of human evolution. The juvenile skull was dubbed the Taung Child by Raymond Dart, an anatomist at the University of the Witwatersrand, wh.....»»

Category: topSource:  physorgRelated NewsJul 15th, 2024

“Superhuman” Go AIs still have trouble defending against these simple exploits

Plugging up "worst-case" algorithmic holes is proving more difficult than expected. Enlarge / Man vs. machine in a sea of stones. (credit: Getty Images) In the ancient Chinese game of Go, state-of-the-art artificial inte.....»»

Category: topSource:  arstechnicaRelated NewsJul 13th, 2024

New geological dating techniques place first European hominids in Iberian Peninsula 1.3 million years ago

One of the most important controversies about human evolution and expansion is when and by what route the first hominids arrived in Europe from the African continent. Now, geological dating techniques at the Orce sites (Baza basin, Granada) place the.....»»

Category: topSource:  physorgRelated NewsJul 12th, 2024

Croc"s deadly last meal in Ancient Egypt unearthed

Scientists have used state of the art 3D imaging technology to piece together the life—and probable death—of a 2.2 meter-long crocodile mummified by the ancient Egyptians......»»

Category: topSource:  physorgRelated NewsJul 12th, 2024

Study introduces lead-coated nickel catalyst for enhanced hydrogen evolution reaction efficiency

In a recent collaboration, a research team developed a hydrogen evolution reaction catalyst that minimizes degradation caused by reverse current in alkaline water electrolysis systems......»»

Category: topSource:  physorgRelated NewsJul 12th, 2024

Study elucidates taxonomy and habit evolution of Ainsliaea genus

As the largest genus in the subfamily Pertyoideae of the sunflower family (Asteraceae), Ainsliaea is widely distributed in East Asia and the Himalayas, playing a key role in various plant communities with significant ecological and scientific importa.....»»

Category: topSource:  physorgRelated NewsJul 11th, 2024

"A history of contact": Geneticists are rewriting the narrative of Neanderthals and other ancient humans

Ever since the first Neanderthal bones were discovered in 1856, people have wondered about these ancient hominins. How are they different from us? How much are they like us? Did our ancestors get along with them? Fight them? Love them? The recent dis.....»»

Category: topSource:  physorgRelated NewsJul 11th, 2024

Frozen mammoth skin retained its chromosome structure

Features as small as 50 nanometers preserved in a 50,000-year-old sample. Enlarge (credit: LEONELLO CALVETTI/SCIENCE PHOTO LIBRARY) One of the challenges of working with ancient DNA samples is that damage accumulates ove.....»»

Category: topSource:  arstechnicaRelated NewsJul 11th, 2024

Photos show the mysterious ancient objects that mountaineers are finding on the Alps" melting glaciers

Photos show the mysterious ancient objects that mountaineers are finding on the Alps" melting glaciers.....»»

Category: topSource:  theglobeandmailRelated NewsJul 11th, 2024

Study finds pumpkin pathogen not evolving, which could make a difference for management

The pathogen that causes bacterial spot is very good at what it does. Forming small lesions on the rinds of pumpkins, melons, cucumbers, and other cucurbits, it mars the fruits' appearance and ushers in secondary pathogens that lead to rot and severe.....»»

Category: topSource:  physorgRelated NewsJul 10th, 2024

Popcorn, the Ultimate Snack, May Have Truly Ancient Origins

Popcorn might be more than 6,000 years old, an anthropologist explains.....»»

Category: scienceSource:  sciamRelated NewsJul 10th, 2024