Quantum advances rely on the production of nanoscale wires that are based on several state-of-the-art nanolithographic technologies, to develop wires via bottom-up synthesis. However, a critical challenge is to grow uniform ...
Exposure to gun violence is one of the great traumas of American life, but its harms are not equally distributed. In a first-of-its-kind study published Tuesday in JAMA Network Open, a Harvard sociology professor and his ...
Social Sciences
May 9, 2023
0
2
Scientists have used mitochondrial DNA to trace a female lineage from northern coastal China to the Americas. By integrating contemporary and ancient mitochondrial DNA, the team found evidence of at least two migrations: ...
Archaeology
May 9, 2023
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571
Espresso coffee is brewed by first grinding roasted coffee beans into grains. Hot water then forces its way through a bed of coffee grains at high pressure, and the soluble content of the coffee grains dissolves into the ...
General Physics
May 9, 2023
3
430
The mountain pine beetle is one of the main causes of tree mortality in the pine forests of North America. For example, the insect has killed thousands of acres of pine forest in British Columbia and Alberta, and as a result, ...
Ecology
May 9, 2023
0
35
When the Voting Rights Act was signed into law in 1965, it didn't just enfranchise Black voters in the American South. It also led to greater representation of Black lawmakers in local government, according to a new paper ...
Political science
May 9, 2023
0
1
A study by an international team of researchers, led by the University of Southampton, has given an intriguing glimpse of the hunting habits and diets of Neanderthals and other humans living in western Europe.
Archaeology
May 9, 2023
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342
Small-scale wildlife surveys can reveal the health of entire ecosystems, new research shows.
Ecology
May 9, 2023
0
36
About 85% of high school juniors want to go to college, according to a new study from the University of Georgia. But one in six think that's not a possibility for them.
Education
May 9, 2023
0
20
Grown in labs, human brain organoids are cultivated from stem cells, feed on nutrient broth and serve as a model of human brain development in miniature. Their growth and structure mimic portions of real brains, allowing ...
Biotechnology
May 9, 2023
0
3
