After shifting away from hunting and gathering, more pregnancies caused more tooth decay
Scientists have discovered a new state of matter, a quasi-three- dimensional electron crystal, in a material very much alike those used in the fabrication of modern transistors. This discovery could have momentous implications for the development of new electronic devices.
Contact lenses increase the risk of infection with pathogenic protozoa that can cause blindness. New research shows that a high percentage of contact lens cases in Tenerife are contaminated with Acanthamoeba that cannot be killed by normal contact lens solution.
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The spiral galaxy NGC 7331, in Pegasus, can be seen with small telescopes under dark skies as a faint fuzzy spot. It is an island universe similar to our own Galaxy (or maybe somewhat larger) and placed at a distance of 50 million light-years. NGC 7331 was discovered by Wilhelm Herschel in 1784, and it [...]
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Adults and children who are referred for patch testing of allergens appear equally likely to have allergic contact dermatitis, although they tend to react to different allergens, according to a new report.
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The real world is three-dimensional. That’s true even in the laboratory, where scientists have to grow cells to study how they develop and what happens when their growth is abnormal. More and more laboratories are seeking to develop three-dimensional cell culture systems that allow them to test their new techniques and drugs in a system [...]
A neuroscientist has found a way to combat a debilitating illness that affects an estimated 50,000 people a year in tropical regions.
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A recently released study of northern and southern polar dinosaur migration indicates that some species may have migrated nearly 3,000 km in a six month period- far short of the distance needed to reach warmer climes. What’s more, the study also revealed that other species would have been forced to endure polar winters and exhibited [...]
People with more education and more mentally demanding occupations may have protection against the memory loss that precedes Alzheimer’s disease, according to a study in Neurology.
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A new article demonstrates a concept of creating concrete structures on the lunar surface without the use of water.
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