When we say someone has a quick mind, it may be in part thanks to our expanded cerebellum that distinguishes human brains from those of macaque monkeys, for example.
Jul 31, 2020
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(HealthDay)—Microscopic bits of plastic have most likely taken up residence in all of the major filtering organs in your body, a new lab study suggests.
Aug 17, 2020
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Researchers at Macquarie University's MQ Health have revealed that women implanted with textured breast implants are at a significantly higher risk of breast implant-associated anaplastic large cell lymphoma (BIA-ALCL).
May 17, 2017
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Virus DNA left on a hospital bed rail was found in nearly half of all sites sampled across a ward within 10 hours and persisted for at least five days, according to a new study by UCL and Great Ormond Street Hospital (GOSH).
Jun 8, 2020
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(Medical Xpress)—A pair of researchers with Universidade Federal do Rio de Janeiro has found that the degree of folding of mammalian brains follows a simple mathematical relationship. In their paper published in the journal ...
Dogs, known for their extraordinarily keen senses of smell, can be trained to use their sensitive sniffers to find drugs, bombs, bed bugs, missing hikers and even cancer. Among dogs and other animals that rely on smell, at ...
Aug 10, 2018
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Scientists at the Texas A&M University College of Medicine have made a breakthrough discovery about the development of the brain. This new information contributes to our understanding of how the part of the brain that makes ...
Jun 3, 2022
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Researchers analyzing the data from MRI exams on nearly 8,000 children have identified biomarkers of attention-deficit/hyperactivity disorder (ADHD) and a possible role for neuroimaging machine learning to help with the diagnosis, ...
Nov 23, 2022
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The size of our primary visual cortex and the amount of brain tissue we have dedicated to processing visual information at certain locations of visual space can predict how well we can see, a team of neuroscientists has discovered. ...
Jun 13, 2022
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Researchers from King's College London have shown that the brains of young adult Romanian adoptees who were institutionalised as children are around 8.6% smaller than the brains of English adoptees who have not suffered this ...
Jan 6, 2020
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Surface area is the measure of how much exposed area a solid object has, expressed in square units. Mathematical description of the surface area is considerably more involved then the definition of arc length of a curve. For polyhedra (objects with flat polygonal faces) the surface area is the sum of the areas of its faces. Smooth surfaces, such as a sphere, are assigned surface area using their representation as parametric surfaces. This definition of the surface area is based on methods of infinitesimal calculus and involves partial derivatives and double integration.
General definition of surface area was sought by Henri Lebesgue and Hermann Minkowski at the turn of the twentieth century. Their work led to the development of geometric measure theory which studies various notions of surface area for irregular objects of any dimension. An important example is the Minkowski content of a surface.
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