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Birds" dazzling iridescence tied to nanoscale tweak of feather structure

The iridescent shimmer that makes birds such as peacocks and hummingbirds so striking is rooted in a natural nanostructure so complex that people are only just beginning to replicate it technologically. The secret to how birds produce these brilliant.....»»

Category: topSource:  physorgDec 21st, 2021

They come from above: Here"s why magpies, magpie-larks and lapwings swoop in spring

If you live in Australia or New Zealand, the coming of spring is a mixed blessing. The days get warmer. Flowers bloom. Birds nest......»»

Category: topSource:  physorgRelated NewsAug 29th, 2024

Avian flu has infected dairy cows in more than a dozen states—a microbiologist explains how the virus is spreading

The current strain of avian flu, H5N1, is responsible for the culling of millions of domestic birds and has sickened more than a dozen farmworkers in 2024, most recently in Colorado......»»

Category: topSource:  physorgRelated NewsAug 29th, 2024

Study finds flexibility and helical twists of actin filaments regulate actin-binding proteins

Researchers at Kanazawa University have published an article in eLife deciphering the actin structure-dependent preferential cooperative binding of cofilin......»»

Category: topSource:  physorgRelated NewsAug 28th, 2024

Killings of invasive owls to ramp up on US West Coast in a bid to save native birds

U.S. wildlife officials beginning next year will drastically scale up efforts to kill invasive barred owls that are crowding out imperiled native owls from West Coast forests, under a plan finalized Wednesday that faces challenges from barred owls re.....»»

Category: topSource:  physorgRelated NewsAug 28th, 2024

A price on their heads? Implications of international trade for African hornbills in Cameroon

Tropical birds known for their massive bills, hornbills include 32 Asian and 27 African species in the avian family Bucerotidae. Many hornbills have a casque on their upper mandible, which in some species is spectacularly colorful. Many species also.....»»

Category: topSource:  physorgRelated NewsAug 28th, 2024

The Quantum Mechanics of the Greenhouse Effect

Carbon dioxide’s powerful heat-trapping effect has been traced to a quirk of its quantum structure. The finding may explain climate change better than any computer model......»»

Category: gadgetSource:  wiredRelated NewsAug 25th, 2024

This bird species was extinct in Europe. Now it"s back, and humans must help it migrate for winter

How do you teach a bird how, and where, to fly? The distinctive Northern Bald Ibis, hunted essentially to extinction by the 17th century, was revived by breeding and rewilding efforts over the last two decades. But the birds—known for their distinc.....»»

Category: topSource:  physorgRelated NewsAug 25th, 2024

Bird species are disappearing at an alarming rate in Kenya, study finds

Sub-Saharan Africa has a vast amount of uncultivated, arable land—about 2 million km2, accounting for about 50% of the global total. This land is a critical habitat for many animal species, including birds......»»

Category: topSource:  physorgRelated NewsAug 24th, 2024

Langbeinites show talents as 3D quantum spin liquids

A 3D quantum spin liquid has been discovered in the vicinity of a member of the langbeinite family. The material's specific crystalline structure and the resulting magnetic interactions induce an unusual behavior that can be traced back to an island.....»»

Category: topSource:  physorgRelated NewsAug 23rd, 2024

New "chiral vortex" of light allows chemists to "see" molecules through the mirror

An entirely new structure of light is helping to measure chirality in molecules more accurately and robustly than ever before, in a major potential step for the pharmaceutical industry......»»

Category: topSource:  physorgRelated NewsAug 23rd, 2024

Researchers demonstrate metasurfaces that control thermal radiation in unprecedented ways

Researchers with the Advanced Science Research Center at the CUNY Graduate Center (CUNY ASRC) have experimentally demonstrated that metasurfaces (two-dimensional materials structured at the nanoscale) can precisely control the optical properties of t.....»»

Category: topSource:  physorgRelated NewsAug 23rd, 2024

Vulnerability prioritization is only the beginning

To date, most technology solutions focused on vulnerability management have focused on the prioritization of risks. That usually took the shape of some risk-ranking structure displayed in a table with links out to the CVEs and other advisory or threa.....»»

Category: securitySource:  netsecurityRelated NewsAug 23rd, 2024

App Store VP departing Apple amid broader restructuring

Apple’s App Store vice president is leaving the company in October, according to a new report from Bloomberg. The structure of the App Store team is also being split into two teams, a change implemented by Phil Schiller in response to the ever-.....»»

Category: topSource:  pcmagRelated NewsAug 21st, 2024

Survival tactics: AI-driven insights into chromatin changes for winter dormancy in axillary buds

Evolution has enabled plants to survive under adverse conditions. The winter bud of a plant is a crucial structure that establishes adaptability. Depending on environmental and intrinsic conditions, buds can transition between growth and dormancy. Th.....»»

Category: topSource:  theglobeandmailRelated NewsAug 21st, 2024

Birds have accents, too: Researchers find cultural change in the dialects of parrots over 22-year period

While distinct languages and dialects are common to human societies, most people are unaware that other species may similarly have culturally significant dialects. New research conducted by a team of researchers from the University of Pittsburgh at J.....»»

Category: topSource:  pcmagRelated NewsAug 21st, 2024

Paleontologists discover new predatory dinosaur with a distinctive "eyebrow"

Theropod dinosaurs are one of the most important large groups of dinosaurs, including well-known predators, such as Tyrannosaurus and Allosaurus, as well as modern birds. A variety of theropods are known from the Mesozoic Era, the age of the dinosaur.....»»

Category: topSource:  physorgRelated NewsAug 21st, 2024

Civilization VII hands-on: This strategy sequel rethinks the long game

Classic turn-based gameplay meets a radical rethink of the overall structure. Enlarge / Firaxis has upped the ante on presentation for the cities. It's still a bit abstract and removed, but they have more vibrancy, detail, and mo.....»»

Category: topSource:  arstechnicaRelated NewsAug 20th, 2024

Pore structure characteristics found to influence carbon mineralization under conservation tillage

Soil aggregates are the basic units of soil structure and serve as a reservoir for soil carbon, playing a crucial role in the carbon cycle of ecosystems. The pore characteristics of soil aggregates influence the mineralization of soil organic carbon......»»

Category: topSource:  physorgRelated NewsAug 20th, 2024

Neutrons illuminate environmental and biological mysteries

Neutron techniques have long been valued in various scientific fields for their ability to penetrate materials without altering their structure. However, their use in environmental and biological sciences has been limited. Complex systems like soil-w.....»»

Category: topSource:  physorgRelated NewsAug 20th, 2024

Morphable materials: Researchers coax nanoparticles to reconfigure themselves

A view into how nanoscale building blocks can rearrange into different organized structures on command is now possible with an approach that combines an electron microscope, a small sample holder with microscopic channels, and computer simulations, a.....»»

Category: topSource:  physorgRelated NewsAug 19th, 2024