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Ancient desert mega-structures were planned using carved maps to scale

"This calls for the representation of space in a way not seen at this time." Enlarge There's rarely time to write about every cool science-y story that comes our way. So this year, we're once again running a special.....»»

Category: topSource:  arstechnicaJan 3rd, 2024

Down in the weeds: How host specificity testing works

Fortunately for us, weeds have enemies. Biocontrol harnesses the power of these natural adversaries, limiting the otherwise unchecked growth and spread of weeds. Biocontrol methods offer safe, cost-effective, landscape-scale weed control......»»

Category: topSource:  physorgRelated NewsNov 12th, 2024

New DNA evidence rewrites long-told stories of people in ancient Pompeii

When a volcanic eruption buried the ancient city of Pompeii, the last desperate moments of its citizens were preserved in stone for centuries......»»

Category: topSource:  informationweekRelated NewsNov 10th, 2024

Saturday Citations: Color vision created demand for colorful animals; observing black hole light echoes; deadlines!

This week, researchers hypothesized that human culture is distinguished from cultures of other species like whales by unique open-endedness—the ability to communicate and understand an infinite number of possibilities. An ancient unicellular organi.....»»

Category: topSource:  informationweekRelated NewsNov 9th, 2024

9to5Mac Overtime 033: M4 Mac mini and visionOS 2.2 beta

Fernando and Jeff discuss today’s official availability of the M4 Mac mini, including first impressions and planned use cases. Also, why visionOS 2.2 makes the Apple Vision Pro worth buying if you can get one used for a good price. 9to5Mac Overt.....»»

Category: topSource:  theglobeandmailRelated NewsNov 9th, 2024

The rise of color vision in animals: Study maps dramatic 100-million-year explosion in color signals

Colors are widely used in communication within and among animal species. For example, peacocks proudly display their vibrant tails, adorned with iridescent eyespots, to attract peahens for courtship. This is a classic example of sexual selection usin.....»»

Category: topSource:  pcmagRelated NewsNov 7th, 2024

Cliff-top sites preserve ancient Aboriginal heritage on the River Murray

New research by Flinders University researchers, conducted in partnership with the River Murray and Mallee Aboriginal Corporation (RMMAC), has documented ancient archaeological sites on the cliff-tops in the region between Morgan and Overland Corner.....»»

Category: topSource:  pcmagRelated NewsNov 7th, 2024

Indigenous elders and ritual specialists help to unlock the meaning of ancient Amazonian rock art

Archaeologists documenting tens of thousands of rock art motifs in the Colombian Amazon have been consulting with Indigenous elders and ritual specialists to help interpret their meaning......»»

Category: topSource:  pcmagRelated NewsNov 7th, 2024

Q&A: Looking at ancient Roman plagues through an environmental lens

A pit of human bones, potential evidence of a catastrophic epidemic that struck Constantinople in 541 A.D. Sulfur deposits trapped in polar ice, showing traces of a series of massive volcanic eruptions. For Brandon McDonald, these seemingly incongruo.....»»

Category: topSource:  physorgRelated NewsNov 7th, 2024

Oldest depictions of fishing discovered in Ice Age art: Camp site reveals 15,800-year-old engravings of fish trapping

The Ice Age camp site of Gönnersdorf on the banks of the Rhine has revealed a groundbreaking discovery that sheds new light on early fishing practices. New imaging methods have allowed researchers to see intricate engravings of fish on ancient schis.....»»

Category: topSource:  physorgRelated NewsNov 7th, 2024

Ancient unicellular organism indicates embryonic development might have existed prior to animals" evolution

Chromosphaera perkinsii is a single-celled species discovered in 2017 in marine sediments around Hawaii. The first signs of its presence on Earth have been dated at over a billion years, well before the appearance of the first animals......»»

Category: topSource:  physorgRelated NewsNov 6th, 2024

Coyotes are thriving despite human and predator pressures, large-scale study finds

Research led by the University of New Hampshire sheds light on how coyotes, North America's most successful predators, are responding to various environmental pressures, including human development, hunting and competition with larger carnivores. Sur.....»»

Category: topSource:  physorgRelated NewsNov 6th, 2024

Hard in theory, easy in practice: Why graph isomorphism algorithms seem to be so effective

Graphs are everywhere. In discrete mathematics, they are structures that show the connections between points, much like a public transportation network. Mathematicians have long sought to develop algorithms that can compare any two graphs......»»

Category: topSource:  physorgRelated NewsNov 6th, 2024

Osmedeus: Open-source workflow engine for offensive security

Osmedeus is an open-source workflow engine designed for offensive security. It serves as a versatile foundation, enabling users to easily create customized reconnaissance systems and scale them across extensive target lists. Osmedeus key features Spe.....»»

Category: securitySource:  netsecurityRelated NewsNov 6th, 2024

Burial chamber and grave goods of ancient Egyptian priestess discovered in Asyut

An international team of archaeologists led by Professor Jochem Kahl from Freie Universität Berlin has made an incredible discovery in the necropolis of Asyut, Egypt. Researchers discovered the burial chamber of the ancient Egyptian priestess Idy, d.....»»

Category: topSource:  physorgRelated NewsNov 5th, 2024

Decadal climate patterns reveal new insights into tropical cyclone formation and El Niño-Southern Oscillation link

A new study has revealed how decadal-scale climate fluctuations impact the ability of climate models to simulate tropical cyclone frequency in response to El Niño-Southern Oscillation (ENSO) events. This finding offers an improved understanding of t.....»»

Category: topSource:  physorgRelated NewsNov 5th, 2024

New modeling of complex biological systems could offer insights into genomic data and other huge datasets

Over the past two decades, new technologies have helped scientists generate a vast amount of biological data. Large-scale experiments in genomics, transcriptomics, proteomics, and cytometry can produce enormous quantities of data from a given cellula.....»»

Category: topSource:  physorgRelated NewsNov 5th, 2024

Reconstructing plesiosaur swimming styles with a bio-inspired control system

A research group may have unraveled the mystery behind the locomotion of the ancient marine reptile, the plesiosaur, by recreating a bio-inspired control system that accounts for motion adjustment......»»

Category: topSource:  physorgRelated NewsNov 5th, 2024

A single atom can change the directional profile of the light emitted in scanning tunneling microscopes

Researchers from Madrid explain a phenomenon that allows the direction of light emission to be controlled at the atomic scale. The paper provides a detailed explanation of how the profile of the light collected in a scanning tunneling microscope (STM.....»»

Category: topSource:  physorgRelated NewsNov 5th, 2024

Designs on ancient stone cylinders correspond to origin of writing in Mesopotamia, researchers discover

The origins of writing in Mesopotamia lie in the images imprinted by ancient cylinder seals on clay tablets and other artifacts. A research group from the University of Bologna has identified a series of correlations between the designs engraved on t.....»»

Category: topSource:  physorgRelated NewsNov 5th, 2024

Portal to the past: Geologist identifies metamorphic rock as a crucial feature of the ancient Earth"s carbon cycle

If Earth's history were a calendar year, humans would not appear until the last few minutes before midnight on Dec. 31. During the Proterozoic Eon—2.5 billion years to 543 million years ago—the sun was still a young star, much dimmer than today,.....»»

Category: topSource:  physorgRelated NewsNov 4th, 2024