Neighborhoods and African-American vernacular
Researchers demonstrate that children’s neighborhoods can influence their use of African-American Vernacular English (AAVE). AAVE is important for group solidarity and identity and as an expressive...
View ArticleAncient North American populations
Researchers report estimates for the distribution of human populations in North America throughout the Holocene epoch. The spatial and temporal patterns of human demographics in North America since...
View ArticleAncient DNA links Basques to early farmers
An analysis of ancient genomes challenges the assumption that Basques are genetically linked to a remnant pre-agricultural population, suggesting instead that modern day Basques are most closely...
View ArticleMercury and marine mammals
Researchers report that seals and sea lions might contribute significant amounts of toxic mercury to coastal ecosystems via top-down contamination. Methylmercury (MeHg) is a neurotoxin that...
View ArticleAncient flour production
Researchers report early evidence of flour production by ancient humans. Recent interest in ancient diets has led to the collection of extensive data about the variety of plants eaten by early humans...
View ArticleFlooding and neurotoxin in Arctic waters
Over the next decade, the hydroelectric industry may exacerbate the effects of climate change on northern ecosystems and endanger the health of indigenous populations that consume Arctic marine...
View ArticleMapping early American caffeine trade
Villagers residing in a swath of land stretching from southern Colorado to northern Chihuahua, Mexico, consumed caffeinated drinks beginning as early as A.D. 750, according to a study. In the years...
View ArticleEngineered plants that resist E. coli contamination
Researchers unveil engineered spinach and other edible plants capable of inhibiting the growth of enterohemorrhagic Escherichia coli (EHEC), a leading cause of foodborne illness worldwide. Every year,...
View ArticleSimilarity of modern humans’ ancestors to African apes
An analysis of fossil shoulder blades from early human species finds that the last ancestor shared in common between humans and chimpanzees was similar to a modern African ape. Relatively little is...
View ArticleAlso of interest from the Proceedings of the National Academy of Sciences
Researchers report that co-administration of a vaccine against human papilloma virus (HPV) and a T-cell-stimulating antibody in a mouse model of cervical cancer caused complete regression of...
View ArticleA high sensitive and selective ethanol sensor based on ordered mesoporous...
Herein, researchers describe a strategy for fabricating ordered mesoporous In2O3-reduced grapheme oxide (rGO) nanocomposite through ultrasonic mixing. They subsequently investigate the gas-sensing...
View ArticleA New type Au deposit in the destructed craton: Decratonic Gold Deposit
The link between craton destruction and formation of coeval Au deposits has been an enigma to earth scientists. A recent research unraveled potential genetic relation between these two processes, and...
View ArticleDiamonds are for temperature
Researchers have developed tiny, diamond-based probes that optically transmit detailed temperature information and can operate in conditions ranging from 150 - 850 degrees Kelvin, representing...
View ArticleHalf diamond, half cubic boron, all cutting business
In an attempt to create a superhard material better suited for a wide variety of materials on an industrial scale, researchers at Sichuan University in Chengdu, China, have created an superhard alloy...
View ArticleFluid/melt and related geochemical fractionations in deep subduction zones
Melts/fluids in subduction zones are not only important for studying processes related to crust-mantle interactions, elemental and isotopic fractionations, and mantle heterogeneities, but also closely...
View ArticleStudy will investigate storm impacts on fresh water
Stroud Water Research Center and the University of Delaware have received a $475,000 grant from the U.S. Department of Agriculture to study how the enormous amount of particulate organic nitrogen...
View ArticleViral protein responsible for severe dengue uncovered
A pair of studies identifies a viral protein’s role in driving blood vessel leak in severe dengue infection, opening up a potential avenue for developing vaccines and therapy. No effective treatment...
View ArticleTree planting can harm ecosystems
Although trees are widely promoted to sequester carbon and to meet forest restoration goals, misplaced tree planting and forest expansion in ancient savannas and grasslands threaten biodiversity and...
View ArticleSouthern ocean carbon sink has renewed strength
The Southern Ocean has increased its uptake of atmospheric carbon dioxide again, after showing signs of slowing uptake in the 1990s, according to a new report from Peter Landschützer and colleagues.
View ArticleRare plant reveals its recipe for potent chemotherapeutic agent
Inconveniently, the only current method to synthesize the chemotherapy agent etoposide is by using extracts from a plant, but researchers have successfully manipulated Nicotiana benthamiana (tobacco)...
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