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How did vertebrates first evolve jaws?

Five-hundred million years ago, it was relatively safe to go back in the water. That's because creatures of the deep had not yet evolved jaws. In a new pair of studies in eLife and Development, scientists reveal clues about the origin of this thrilli.....»»

Category: topSource:  physorgJun 28th, 2022

Aggressive wall lizard provides clues to understanding evolution

Body shape, color and behavior often evolve together as species adapt to their environment. Researchers from Lund University in Sweden have studied this phenomenon in a specific type of large, bright green and aggressive common wall lizard found near.....»»

Category: topSource:  physorgRelated NewsApr 29th, 2024

Advances in understanding the evolution of stomach loss in agastric fishes

Living beings can evolve to lose biological structures due to potential survival benefits from such losses. For example, certain groups of ray-finned fishes show such regressive evolution—medakas, minnows, puffera, and wrasses do not have a stomach.....»»

Category: topSource:  physorgRelated NewsApr 23rd, 2024

Instinct for "fight or flight" may be much older than we thought

Evidence in lampreys for the presence of a rudimentary sympathetic nervous system, previously thought to be unique to jawed vertebrates, has been presented in Nature. The finding may prompt a rethink of the origins of the sympathetic nervous system,.....»»

Category: topSource:  physorgRelated NewsApr 18th, 2024

Paleontologists unearth what may be the largest known marine reptile

The fossilized remains of a second gigantic jawbone measuring more than two meters long has been found on a beach in Somerset, UK. Experts have identified the bones as belonging to the jaws of a new species of enormous ichthyosaur, a type of prehisto.....»»

Category: topSource:  informationweekRelated NewsApr 17th, 2024

Amazon butterflies show how new species can evolve from hybridization

If evolution was originally depicted as a tree, with different species branching off as new blooms, then new research shows how the branches may actually be more entangled. In "Hybrid speciation driven by multilocus introgression of ecological traits.....»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

How AI can help map sign languages

Like spoken languages, sign languages evolve organically and do not always have the same origin. This produces different ways of communication and annotation. This is the subject of Manolis Fragkiadakis's Ph.D. thesis......»»

Category: topSource:  physorgRelated NewsApr 15th, 2024

Elon Musk’s X to stop allowing users to hide their blue checks

X previously promised to "evolve" the "hide your checkmark" feature. Enlarge (credit: NurPhoto / Contributor | NurPhoto) X will soon stop allowing users to hide their blue checkmarks, and some users are not happy. Previo.....»»

Category: topSource:  arstechnicaRelated NewsApr 12th, 2024

Macroalgae genetics study sheds light on how seaweed became multicellular

A deep dive into macroalgae genetics has uncovered the genetic underpinnings that enabled macroalgae, or "seaweed," to evolve multicellularity. Three lineages of macroalgae developed multicellularity independently and during very different time perio.....»»

Category: topSource:  marketingvoxRelated NewsApr 12th, 2024

Bird Flu Is Spreading in Alarming New Ways

H5N1 has infected cattle across the US and jumped from a mammal to a human for the first time. Experts fear it may someday evolve to spread among humans......»»

Category: gadgetSource:  wiredRelated NewsApr 11th, 2024

Research finds dairy farmers receptive to methane-reducing seaweed feed

New England's dairy industry continues to evolve in response to significant market challenges that include a decreased demand for milk and higher production and land costs. However, there is also ongoing evidence that organic dairy farming can provid.....»»

Category: topSource:  physorgRelated NewsApr 11th, 2024

How manual access reviews might be weakening your defenses

As businesses evolve, they often experience changes in roles, partnerships, and staff turnover. This dynamic can result in improper access to data and resources. Such mismanagement leads to superfluous expenses from excessive software licensing fees.....»»

Category: securitySource:  netsecurityRelated NewsApr 5th, 2024

Temple bones in the skulls of dinosaurs and humans alike were formed by feeding habits, study suggests

Whether human or reptile, in the skull of most terrestrial vertebrates there is a gaping hole in the temple; in the case of most reptiles, there are two. Scientists have been looking for explanations for this for 150 years......»»

Category: topSource:  physorgRelated NewsApr 2nd, 2024

Researchers explore the hagfish genome, reconstruct the early genomic history of vertebrates

A study by a group of researchers at the University of Kentucky in collaboration with scientists in four other countries has been published in Nature. Their study is titled "The hagfish genome and the evolution of vertebrates.".....»»

Category: topSource:  physorgRelated NewsApr 1st, 2024

Why Apple Vision Pro could evolve similarly to the Apple Watch

If you're already wondering when the next generation of the Apple Vision Pro will arrive, and what features it may have, the history of the Apple Watch might yield some clues.Given the complexity of the Apple Vision Pro, it's very unlikely that a rev.....»»

Category: appleSource:  appleinsiderRelated NewsMar 28th, 2024

How did nervous systems, with their incredible complexity, evolve across different species?

New research supported by the Wu Tsai Neurosciences Institute's Interdisciplinary Postdoctoral Scholars program zeroes in on the surprising observation that many genes found in brain cells and synapses—the points of communication between neurons—.....»»

Category: topSource:  informationweekRelated NewsMar 26th, 2024

Did the first cells evolve in soda lakes?

Soda lakes, which are dominated by dissolved sodium and carbonate species, could have provided the right conditions for the first cells, according to a new study published in PNAS Nexus......»»

Category: topSource:  marketingvoxRelated NewsMar 20th, 2024

DNA parasite now plays key role in making critical nerve cell protein

An RNA has been adopted to help the production of myelin, a key nerve protein. Enlarge (credit: alex-mit) Human brains (and the brains of other vertebrates) are able to process information faster because of myelin, a fat.....»»

Category: topSource:  arstechnicaRelated NewsMar 15th, 2024

Apple worries DMA has lowered the cost of iPhone exploits

Apple has been forced by the EU to allow app purchases and installs without the App Store. The effort to enable the capabilities as securely as possible has been massive. The details continue to evolve based on developer arms regulatory feedback, and.....»»

Category: topSource:  marketingvoxRelated NewsMar 15th, 2024

Key MITRE ATT&CK techniques used by cyber attackers

While the threat landscape continues to shift and evolve, attackers’ motivations do not, according to a Red Canary report. The classic tools and techniques adversaries deploy remain consistent–with some notable exceptions. The report tracked MITR.....»»

Category: securitySource:  netsecurityRelated NewsMar 15th, 2024

Image-based phishing tactics evolve

While 70% of organizations feel their current security stacks are effective against image-based and QR code phishing attacks, 76% were still compromised in the last 12 months, according to IRONSCALES and Osterman Research. IT pros are highly aware of.....»»

Category: securitySource:  netsecurityRelated NewsMar 12th, 2024