Among the cartilaginous fish of the class Chondrichthyes, batoid rays—along with sharks, skates and sawfish—belong to the subclass known as Elasmobranchii. To date, limited literature exists on the reproductive practices ...
NASA has released two white papers associated with the agency's Moon to Mars architecture efforts. The papers, one on lunar mobility drivers and needs, and one on lunar surface cargo, detail NASA's latest thinking on specific ...
Space Exploration
Jul 1, 2024
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14
Lignin, the glue that holds fibers together in trees and plants, is one of the most common yet one of the most complex biocomposites, because there are so many variants and qualities. Its heterogeneous chemical structure ...
Biochemistry
Jun 27, 2024
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New research shows removing data caps to cell phone usage may not only reduce digital inequality but might increase education data consumption by disadvantaged populations.
Social Sciences
Jun 26, 2024
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A small team of sociologists from The University of Texas at San Antonio, Texas A&M University, and Florida State University has tested the supposition that men who are unhappy with the size of their penis are more apt to ...
Astronomers from New Mexico State University (NMSU) and elsewhere report the discovery of a new galaxy of a rare class, dubbed "green bean." The finding, made with the Karl G. Jansky Very Large Array (VLA), was presented ...
Heathrow Airport in the UK currently uses more energy than the entire west African country of Sierra Leone. Despite Africa accounting for less than 4% of all global greenhouse gas emissions, many of its countries face significant ...
Environment
Jun 5, 2024
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12
Cash is in crisis. In Australia, it's now only used for 16% of in-person transactions, down from about 70% in 2007.
Social Sciences
Jun 5, 2024
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One underappreciated aspect of the current flood of exoplanet discoveries is the technical marvels that enable it. Scientists and engineers must capture and detect minute signals from stars and planets light years away. With ...
Astronomy
Jun 4, 2024
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8
Knitting, the age-old craft of looping and stitching natural fibers into fabrics, has received renewed attention for its potential applications in advanced manufacturing. Far beyond their use for garments, knitted textiles ...
General Physics
Jun 4, 2024
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170
Paper is thin material mainly used for writing upon, printing upon or for packaging. It is produced by pressing together moist fibers, typically cellulose pulp derived from wood, rags or grasses, and drying them into flexible sheets.
Paper is a versatile material with many uses. Whilst the most common is for writing and printing upon, it is also widely used as a packaging material, in many cleaning products, in a number of industrial and construction processes, and occasionally as a food ingredient, particularly in Asian cultures.
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