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Categories: Anthropology: Cultures, Mathematics: Puzzles

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Mathematics: Puzzles
Published

Gamers can have their cake and eat it too      (via sciencedaily.com) 

New research from Japan shows that multiple cognitive abilities may be empirically measured from a complex game experience depending on the game's design.

Mathematics: General Mathematics: Puzzles
Published

The way you talk to your child about math matters      (via sciencedaily.com) 

'You're so smart!' -- This encouraging response may actually do more harm than good to children's math performance, according to a new study. The study found that encouraging children with responses related to their personal traits or innate abilities may dampen their math motivation and achievement over time.

Anthropology: Cultures Archaeology: General
Published

The Southern Arc and its lively genetic history      (via sciencedaily.com) 

A vast paleogenetic study reveals insights on migration patterns, the expansion of farming and language development from the Caucasus over western Asia and Southern Europe from the early Copper Age until the late middle ages.

Mathematics: Puzzles
Published

Reasons behind gamer rage in children are complex -- and children are good at naming them      (via sciencedaily.com) 

Children's outbursts of rage while playing digital games are causing both concern and public debate around the topic. Taking a novel approach to gamer rage, a new study examines the topic from a child's perspective, finding complex reasons for gamer rage in children.

Anthropology: Cultures Archaeology: General
Published

Analysis of everyday tools challenges long-held ideas about what drove major changes in ancient Greek society      (via sciencedaily.com) 

A modern scientific analysis of ancient stone tools is challenging long-held beliefs about what caused radical change on the island of Crete, where the first European state flourished during the Bronze Age: the 'Minoan civilization.'

Anthropology: Cultures Anthropology: Early Humans
Published

Study of ancient skulls sheds light on human interbreeding with Neanderthals      (via sciencedaily.com) 

Research has established that there are traces of Neandertal DNA in the genome of modern humans. Now an exploratory study that assessed the facial structure of prehistoric skulls is offering new insights, and supports the hypothesis that much of this interbreeding took place in the Near East -- the region ranging from North Africa to Iraq.

Anthropology: Cultures
Published

Wood sharpens stone: Boomerangs used to retouch lithic tools      (via sciencedaily.com) 

A new study into the multipurpose uses of boomerangs has highlighted the hardwood objects were used to shape the edges of stone tools used by Australian Indigenous communities.  The research demonstrated how boomerangs could function as lithic (or stone) tool retouchers by investigating the use-wear generated on the boomerangs' surfaces during retouching activities. It was found that these use-wear impacts on boomerangs comparable to those observed on Paleolithic bone retouching tools, which date back to more than 200,000 years ago.

Anthropology: Cultures Anthropology: Early Humans
Published

Taking your time makes a difference      (via sciencedaily.com) 

Researchers find that stem cells in the developing brain of modern humans take longer to divide and make fewer errors when distributing their chromosomes to their daughter cells, compared to those of Neanderthals.

Anthropology: Cultures Archaeology: General
Published

High-status Danish Vikings wore exotic beaver furs      (via sciencedaily.com) 

Beaver fur was a symbol of wealth and an important trade item in 10th Century Denmark, according to a new study.

Computer Science: Encryption Mathematics: Puzzles
Published

A key role for quantum entanglement      (via sciencedaily.com) 

A method known as quantum key distribution has long held the promise of communication security unattainable in conventional cryptography. An international team of scientists has now demonstrated experimentally, for the first time, an approach to quantum key distribution that is based on high-quality quantum entanglement -- offering much broader security guarantees than previous schemes.

Computer Science: Encryption Mathematics: Puzzles
Published

'Pulling back the curtain' to reveal a molecular key to The Wizard of Oz      (via sciencedaily.com) 

Many people and companies worry about sensitive data getting hacked, so encrypting files with digital keys has become more commonplace. Now, researchers have developed a durable molecular encryption key from sequence-defined polymers that are built and deconstructed in a sequential way. They hid their molecular key in the ink of a letter, which was mailed and then used to decrypt a file with text from a classic story.

Anthropology: Cultures Anthropology: Early Humans Archaeology: General
Published

DNA from ancient population in Southern China suggests Native Americans' East Asian roots      (via sciencedaily.com) 

For the first time, researchers successfully sequenced the genome of ancient human fossils from the Late Pleistocene in southern China. The data suggests that the mysterious hominin belonged to an extinct maternal branch of modern humans that might have contributed to the origin of Native Americans.

Anthropology: Cultures Anthropology: Early Humans
Published

New genetic research on remote Pacific islands yields surprising findings on world's earliest seafarers      (via sciencedaily.com) 

New genetic research from remote islands in the Pacific offers fresh insights into the ancestry and culture of the world's earliest seafarers, including family structure, social customs, and the ancestral populations of the people living there today.

Anthropology: Cultures Anthropology: Early Humans Archaeology: General
Published

The heat is on: Traces of fire uncovered dating back at least 800,000 years      (via sciencedaily.com)     Original source 

Scientists reveal an advanced, innovative method that they have developed and used to detect nonvisual traces of fire dating back at least 800,000 years -- one of the earliest known pieces of evidence for the use of fire. The newly developed technique may provide a push toward a more scientific, data-driven type of archaeology, but -- perhaps more importantly -- it could help us better understand the origins of the human story, our most basic traditions and our experimental and innovative nature.

Anthropology: Cultures
Published

Developmental dyslexia essential to human adaptive success      (via sciencedaily.com)     Original source 

Researchers say people with developmental dyslexia have specific strengths relating to exploring the unknown that have contributed to the successful adaptation and survival of our species.

Mathematics: General Mathematics: Puzzles
Published

The numbers don't lie: Australia is failing at maths and we need to find a new formula to arrest the decline      (via sciencedaily.com) 

Australia has suffered a significant drop in teenage maths proficiency in the past 20 years -- sliding from 11th in the OECD rankings to 29th place out of 38 countries, prompting widespread debate over potential curriculum changes. One researcher says hand gestures could stop the slide.

Mathematics: Puzzles
Published

Video games can help boost children's intelligence      (via sciencedaily.com) 

Scientists have studied how the screen habits of US children correlates with how their cognitive abilities develop over time. They found that the children who spent an above-average time playing video games increased their intelligence more than the average, while TV watching or social media had neither a positive nor a negative effect.

Computer Science: Encryption Mathematics: Puzzles
Published

Scientific advance leads to a new tool in the fight against hackers      (via sciencedaily.com) 

A new form of security identification could soon see the light of day and help us protect our data from hackers and cybercriminals. Quantum mathematicians have solved a mathematical riddle that allows for a person's geographical location to be used as a personal ID that is secure against even the most advanced cyber attacks.

Computer Science: Encryption Mathematics: Puzzles
Published

Single-photon source paves the way for practical quantum encryption      (via sciencedaily.com) 

Researchers describe new high-purity single-photon source that can operate at room temperature. The source is an important step toward practical applications of quantum technology, such as highly secure communication based on quantum key distribution (QKD).

Computer Science: Virtual Reality (VR) Mathematics: Puzzles
Published

Active video games provide alternative workout      (via sciencedaily.com) 

Working out isn't known for being fun. But new active video and virtual reality games may help change that. Exergaming, or active video gaming, may be the perfect introduction to helping people be more active, according to new research.