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Fossil dental exams reveal how tusks first evolved

A wide variety of animals have tusks, from elephants and walruses to five-pound, guinea pig-looking critters called hyraxes. But one thing tusked animals have in common is that they're all mammals—there are no known fish, reptiles, or birds with tu.....»»

Category: topSource:  physorgOct 26th, 2021

These giant, prehistoric salmon had tusk-like teeth

Oncorhynchus rastrosus, a giant species of salmon that lived in the North American Pacific Northwest a few million years ago, sported a pair of front teeth that projected out from the sides of its mouth like tusks, according to a study published Apri.....»»

Category: topSource:  physorgRelated News16 hr. 35 min. ago

A key gene helps explain how the ability to glide has emerged over-and-over during marsupial evolution

People say "When pigs fly" to describe the impossible. But even if most mammals are landlubbers, the ability to glide or fly has evolved again and again during mammalian evolution, in species ranging from bats to flying squirrels. How did that come a.....»»

Category: topSource:  physorgRelated News18 hr. 37 min. ago

Bioluminescence first evolved in animals at least 540 million years ago, pushing back previous oldest dated example

Bioluminescence first evolved in animals at least 540 million years ago in a group of marine invertebrates called octocorals, according to the results of a new study from scientists with the Smithsonian's National Museum of Natural History......»»

Category: topSource:  pcmagRelated NewsApr 24th, 2024

Star bars show universe"s early galaxies evolved much faster than previously thought

The universe's early galaxies were less chaotic and developed much faster than previously thought, according to new research looking back more than ten billion years in time. An international team of astronomers led by Durham University, UK, has used.....»»

Category: topSource:  theglobeandmailRelated NewsApr 23rd, 2024

New JWST observations reveal black holes rapidly shut off star formation in massive galaxies

New research published in Nature showcases new observations from the James Webb Space Telescope (JWST) that suggest black holes rapidly shut off star-formation in massive galaxies by explosively removing large amounts of gas......»»

Category: topSource:  physorgRelated NewsApr 23rd, 2024

Scientists reveal new path to increasing lactation for nursing mothers

Scientists at UC Santa Cruz have discovered a cellular process in the breast that can increase milk production by pregnant women, revealing a potential path to addressing lactation insufficiency syndrome—the inability of a nursing mother to produce.....»»

Category: topSource:  physorgRelated NewsApr 23rd, 2024

Fossil frogs share their skincare secrets: Analysis of 45-million-year-old soft tissues

Paleontologists at University College Cork (UCC), Ireland, have solved a hundred-year-old mystery of how some fossil frogs preserve their fleshy parts—it's all down to their skin......»»

Category: topSource:  physorgRelated NewsApr 23rd, 2024

Bacteria for climate-neutral chemicals of the future

Researchers at ETH Zurich have engineered bacteria in the laboratory to efficiently use methanol. The metabolism of these bacteria can now be tapped into to produce valuable products currently made by the chemical industry from fossil fuels......»»

Category: topSource:  physorgRelated NewsApr 23rd, 2024

AI and physics combine to reveal the 3D structure of a flare erupting around a black hole

Scientists believe the environment immediately surrounding a black hole is tumultuous, featuring hot magnetized gas that spirals in a disk at tremendous speeds and temperatures. Astronomical observations show that within such a disk, mysterious flare.....»»

Category: topSource:  physorgRelated NewsApr 22nd, 2024

New models of Big Bang show that visible universe and invisible dark matter co-evolved

Physicists have long theorized that our universe may not be limited to what we can see. By observing gravitational forces on other galaxies, they've hypothesized the existence of "dark matter," which would be invisible to conventional forms of observ.....»»

Category: topSource:  physorgRelated NewsApr 22nd, 2024

Seeing is believing: Scientists reveal connectome of the fruit fly visual system

Janelia scientists and collaborators have reached another milestone in connectomics, unveiling a comprehensive wiring diagram of the fruit fly visual system. The work has been released on the pre-print server bioRxiv......»»

Category: topSource:  physorgRelated NewsApr 19th, 2024

Researchers reveal sources of black carbon in southeastern Qinghai-Tibet plateau

Black carbon (BC) is the result of incomplete combustion of fossil fuels and biomass, with strong light absorption. It is second only to carbon dioxide as a climate-forcing factor for atmospheric warming. Deposition of BC on snow and ice surfaces red.....»»

Category: topSource:  physorgRelated NewsApr 19th, 2024

Dramatic burning of royal remains reveals Maya regime change

New archaeological investigations in Guatemala reveal that ancient Maya peoples did not just passively watch their dynastic systems collapse at the end of the Classic period. They actively reworked their political systems to create new governments......»»

Category: topSource:  physorgRelated NewsApr 19th, 2024

Netflix subscribers hit 270M – but company won’t reveal them from now on

The number of Netflix subscribers increased by 9.3M last quarter, to hit 270M globally – way higher than analysts had expected. However, the company says that it won’t (normally) reveal subscriber numbers in future … more….....»»

Category: topSource:  theglobeandmailRelated NewsApr 19th, 2024

Big Tech can’t hoard brainwave data for ad targeting, Colorado law says

Neural data can reveal health, mental states, emotions, and cognitive function. Enlarge (credit: PM Images | DigitalVision) On Wednesday, Colorado expanded the scope of its privacy law initially designed to protect biome.....»»

Category: topSource:  arstechnicaRelated NewsApr 18th, 2024

iOS 18: What I want from Siri + AI

Apple will reveal its AI cards on June 10 at WWDC, and Siri is surely going to be a key component. Generally, people want Siri to get good. You can’t just replace Siri intelligence with generative AI, however, but the two technologies make a powerf.....»»

Category: topSource:  theglobeandmailRelated NewsApr 18th, 2024

Researchers reveal a hidden trait in Mycobacterium genomes governing stress adaptation

A new study, led by Qingyun Liu, Ph.D., assistant professor in the Department of Genetics, has uncovered a genetic feature known as "transcriptional plasticity," which plays a pivotal role in governing the transcriptional response of Mycobacteria to.....»»

Category: topSource:  physorgRelated NewsApr 18th, 2024

Soil bacteria link their life strategies to soil conditions: Study

Soil bacteria help regulate the cycling of carbon and nutrients on Earth. Over time, these bacteria have evolved strategies that determine where they live, what they do, and how they deal with a changing environment. However, microbiologists do not f.....»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Plant sensors could act as an early warning system for farmers

Using a pair of sensors made from carbon nanotubes, researchers from MIT and the Singapore-MIT Alliance for Research and Technology (SMART) have discovered signals that reveal when plans are experiencing stresses such as heat, light, or attack from i.....»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Leaks Reveal New Info about HMD’s Upcoming “Pulse Pro” Smartphone

Looks like it's another budget-segment handset. The post Leaks Reveal New Info about HMD’s Upcoming “Pulse Pro” Smartphone appeared first on Phandroid. Aside from some teasers and leaks every now and then, we haven’.....»»

Category: asiaSource:  phandroidRelated NewsApr 17th, 2024