Small robots the size of riding mowers could prepare a safe landing site for NASA’s Moon outpost, according to a NASA-sponsored study.
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New research suggests the presence of an intrinsic sleep problem specific to attention-deficit/hyperactivity disorder and supports the idea that children with ADHD may be chronically sleep deprived and have abnormal REM sleep.
Word is spreading, on the sidelines, in the locker rooms, and in the media, that an athlete whose bell has been rung — that is, suffered a concussion — may have experienced an injury that could take a more serious toll later in life. Results of a new study support that speculation.
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A new study suggests that the metabolic response to obesity and insulin resistance, particularly as it pertains to the liver, differs among ethnic groups in the US African Americans are more resistant to the buildup of fat in the abdominal adipose tissue and liver, and to high triglyceride levels associated with insulin resistance.
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Just as sonar sends out sound waves to explore the hidden depths of the ocean, electrons can be used by scanning tunneling microscopes to investigate the well-hidden properties of the atomic lattice of metals. Scientists have now succeeded in making bulk Fermi surfaces visible in this manner. Fermi surfaces determine the most important properties of [...]
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While it is almost a certainty that within the next few decades humanity will experience another influenza pandemic, it may not be caused by the avian influenza strain H5N1 that many scientists believe could be a prime candidate.
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By now, most people have read stories about how to “grow your own organs” using stem cells is just a breakthrough away. Despite the hype, this breakthrough has been elusive. A new report brings bioengineered organs a step closer. Specifically, the advance clears two major hurdles, namely a matrix on which stem cells can form [...]
Mice which do not have FTO gene, burn more energy and do not become overweight. These findings verify the importance of the FTO gene for the regulation of body weight. The results of this research may lead to new ways of treating obesity.
Ever since insects developed a taste for vegetation, plants have faced the same dilemma: use limited resources to out-compete their neighbors for light to grow, or, invest directly in defense against hungry insects. Now, biologists have discovered how plants weigh the trade-offs and redirect their energies accordingly.
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Scientists have found that the parasite that causes malaria breaks down an important amino acid in its quest to adapt and thrive within the human body. By depleting this substance called arginine, the parasite may trigger a more critical and deadlier phase of the disease. The work may point the way to better treatments.
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