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Categories: Anthropology: General, Energy: Batteries

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Chemistry: General Chemistry: Inorganic Chemistry Energy: Batteries Energy: Technology
Published

High-energy-density, long life-cycle rechargeable lithium metal batteries      (via sciencedaily.com) 

Research shows promise for developing high-energy-density rechargeable lithium-metal batteries and addressing the electrochemical oxidation instability of ether-based electrolytes.

Anthropology: Early Humans Anthropology: General Archaeology: General Biology: Botany Biology: Evolutionary Biology: General Ecology: Animals Geoscience: Environmental Issues Paleontology: Climate
Published

Genome research: Origin and evolution of vine      (via sciencedaily.com) 

Cultivation and growth of grapevines have strongly influenced European civilizations, but where the grapevine comes from and how it has spread across the globe has been highly disputed so far. In an extensive genome project, researchers have determined its origin and evolution from the wild vine to today's cultivar by analyzing thousands of vine genomes collected along the Silk Road from China to Western Europe.

Energy: Batteries
Published

Stalactites and stalagmites in the battery?      (via sciencedaily.com) 

They are considered the 'Holy Grail' of battery research: so-called 'solid-state batteries'. They no longer have a liquid core, as is the case with today's batteries, but consist of a solid material. This leads to several advantages: Among other things, these batteries are more difficult to ignite and can also be manufactured on a miniature scale. Scientists have now turned their attention to the life cycle of such batteries and targeted processes that reduce it. With their findings, more durable solid-state batteries could be realized in the future.

Anthropology: Cultures Anthropology: General Archaeology: General
Published

Cyprus's copper deposits created one of the most important trade hubs in the Bronze Age      (via sciencedaily.com) 

The coveted metal copper and a sheltered location turned the Cypriot village of Hala Sultan Tekke into one of the most important trade hubs of the Late Bronze Age. Recent excavations confirm the importance of the Bronze Age city in the first period of international trade in the Mediterranean.

Anthropology: Cultures Anthropology: General Archaeology: General Geoscience: Geography Paleontology: Fossils
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Indigenous Ashaninka DNA helps geneticists write new chapters of pre-colonial history in South America      (via sciencedaily.com) 

Geneticists have written new chapters in the reconstruction of pre-colonial Americas history after using DNA from the indigenous Ashaninka people from Amazonian Peru. They have discovered previously unexpected levels of genetic variation in this group and uncovered a strong hint that these people were involved in a South-to-North migration that led to the transition from an archaic to ceramic culture in the Caribbean islands.

Anthropology: Cultures Anthropology: General Archaeology: General
Published

Lasers and chemistry reveal how ancient pottery was made -- and how an empire functioned      (via sciencedaily.com) 

Peru's first great empire, the Wari, stretched for more than a thousand miles over the Andes Mountains and along the coast from 600-1000 CE. The pottery they left behind gives archaeologists clues as to how the empire functioned. In a new study researchers showed that rather than using 'official' Wari pottery imported from the capital, potters across the empire were creating their own ceramics, decorated to emulate the traditional Wari style. To figure it out, the scientists analyzed the pottery's chemical make-up, with help from laser beams.

Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Organic Chemistry Energy: Batteries Energy: Technology Engineering: Graphene Engineering: Nanotechnology Physics: General
Published

3D internal structure of rechargeable batteries revealed      (via sciencedaily.com) 

Researchers have pioneered a technique to observe the 3D internal structure of rechargeable batteries. This opens up a wide range of areas for the new technique from energy storage and chemical engineering to biomedical applications.

Anthropology: Cultures Anthropology: General Archaeology: General Biology: Evolutionary
Published

Surprising similarities in stone tools of early humans and monkeys      (via sciencedaily.com) 

Researchers have discovered artefacts produced by old world monkeys in Thailand that resemble stone tools, which historically have been identified as intentionally made by early hominins. Until now, sharp-edged stone tools were thought to represent the onset of intentional stone tool production, one of the defining and unique characteristics of hominin evolution. This new study challenges long held beliefs about the origins of intentional tool production in our own lineage.

Energy: Batteries Physics: General
Published

3D battery imaging reveals the secret real-time life of lithium metal cells      (via sciencedaily.com) 

Innovative battery researchers have cracked the code to creating real-time 3D images of the promising but temperamental lithium metal battery as it cycles. A team has succeeded in observing how the lithium metal in the cell behaves as it charges and discharges. The new method may contribute to batteries with higher capacity and increased safety in our future cars and devices.

Anthropology: General
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Hunter-gatherer childhoods may offer clues to improving education and wellbeing in developed countries      (via sciencedaily.com) 

Hunter-gatherers can help us understand the conditions that children may be psychologically adapted to because we lived as hunter-gatherers for 95% of our evolutionary history. And paying greater attention to hunter-gatherer childhoods may help economically developed countries improve education and wellbeing.

Anthropology: Cultures Anthropology: General
Published

The colors on these ancient pots hint at the power of an empire      (via sciencedaily.com) 

Comparing the colors on pieces of ancient Peruvian pottery revealed that potters across the Wari empire all used the same rich black pigment: a sign of the empire's influence.

Energy: Batteries Energy: Technology
Published

Electric vehicle batteries could get big boost with new polymer coating      (via sciencedaily.com) 

Scientists have developed a polymer coating that could enable longer lasting, more powerful lithium-ion batteries for electric vehicles. The advance opens up a new approach to developing EV batteries that are more affordable and easy to manufacture.

Chemistry: Inorganic Chemistry Energy: Batteries Energy: Technology
Published

Controlling electric double layer dynamics for next generation all-solid-state batteries      (via sciencedaily.com) 

Development of all-solid-state batteries is crucial to achieve carbon neutrality. However, their high surface resistance causes these batteries to have low output, limiting their applications. To this end, researchers have employed a novel technique to investigate and modulate electric double layer dynamics at the solid/solid electrolyte interface. The researchers demonstrate unprecedented control of response speed by over two orders of magnitude, a major steppingstone towards realization of commercial all-solid-state batteries.

Anthropology: Cultures Anthropology: General Archaeology: General
Published

The world's first horse riders      (via sciencedaily.com) 

Researchers have discovered evidence of horse riding by studying the remains of human skeletons found in burial mounds called kurgans, which were between 4500-5000 years old. The earthen burial mounds belonged to the Yamnaya culture. The Yamnayans had migrated from the Pontic-Caspian steppes to find greener pastures in today's countries of Romania and Bulgaria up to Hungary and Serbia.

Anthropology: General Archaeology: General
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Archaeological study of 24 ancient Mexican cities reveals that collective forms of governance, infrastructural investments, and collaboration all help societies last longer      (via sciencedaily.com) 

Some cities only last a century or two, while others last for a thousand years or more. Often, there aren't clear records left behind to explain why. Instead, archaeologists piece together clues from the cities' remains to search for patterns that help account for why certain places retained their importance longer than others.

Chemistry: General Energy: Batteries Energy: Technology
Published

Extreme fast charging capability in lithium-ion batteries      (via sciencedaily.com) 

Lithium-ion batteries dominate among energy storage devices and are the battery of choice for the electric vehicle industry. Improving battery performance is a constant impetus to current research in this field. Towards this end, a group of researchers has synthesized a lithium borate-type aqueous polyelectrolyte binder for graphite anodes. Their new binder helped improve Li-ion diffusion and lower impedance compared to conventional batteries.

Anthropology: Cultures Anthropology: General
Published

Genomic study of indigenous Africans paints complex picture of human origins and local adaptation      (via sciencedaily.com) 

An international team of researchers analyzed the genomes of 180 indigenous Africans from a dozen ethnically, culturally, linguistically, and geographically diverse populations. The results shed light on the origin of modern humans, historical migrations, linguistic evolution, and local adaptation, and lay the groundwork for more people to benefit from precision medicine.

Anthropology: Early Humans Anthropology: General Archaeology: General Paleontology: General
Published

Waxing and waning of environment influences hominin dispersals across ancient Iran      (via sciencedaily.com) 

A world-first model of paleoclimate and hydrology in Iran has highlighted favourable routes for Neanderthals and modern human expansions eastwards into Asia. The findings reveal that multiple humid periods in ancient Iran led to the expansions of human populations, opening dispersal route across the region, and the possible interactions of species such as Neanderthals and our own Homo sapiens.

Anthropology: Cultures Anthropology: General Archaeology: General Paleontology: Climate
Published

Oldest human genome from southern Spain      (via sciencedaily.com) 

A new study reports on genomic data from a 23,000-year-old individual who lived in what was probably the warmest place of Europe at the peak of the last Ice Age. The oldest human genome recovered from the southern tip of Spain adds an important piece of the puzzle to the genetic history of Europe.

Anthropology: General Archaeology: General Biology: Marine Ecology: Animals Ecology: Sea Life
Published

Mysterious new behavior seen in whales may be recorded in ancient manuscripts      (via sciencedaily.com) 

In 2011, scientists recorded a previously unknown feeding strategy in whales around the world. Now, researchers in Australia think they may have found evidence of this behaviour being described in ancient accounts of sea creatures, recorded more than 2,000 years ago. They believe that misunderstandings of these descriptions contributed to myths about medieval sea monsters. Whales are known lunge at their prey when feeding, but recently whales have been spotted at the surface of the water with their jaws open at right angles, waiting for shoals of fish to swim into their mouths. A clip of this strategy was captured in 2021 and went viral on Instagram. This strategy seems to work for the whales because the fish think they have found a place to shelter from predators, not realising they are swimming into danger. It's not known why this strategy has only recently been identified, but scientists speculate that it's a result of changing environmental conditions -- or that whales are being more closely monitored than ever before by drones and other modern technologies.