One of the most prominent astronomical observers in the world has a hole. On Monday, a 3-inch-thick (76-mm-thick) cable broke at the Arecibo Observatory, cutting a 30-foot (30-meter) hole in the reflector dish of the 20-acre radio telescope in Puerto Rico. The observatory was just opened after a temporary closure …
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The World Health Organization said Tuesday that routine, non-essential tooth work should be delayed until COVID-19 transmission rates drop sufficiently, caution against procedures that produce aerosol sprays from patients’ mouths. The WHO said that check-ups, dental cleaning and preventive care could be postponed because it releases guidance to dentists on …
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Earthquakes come and go, leaving a trail of destruction in them. What they do not normally do is happily turn around immediately and return for another pass. Except … it seems like they can, in very rare circumstances. In a new study, scientists have found evidence of an unusual and …
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The need for sleep goes far beyond simply replenishing our energy levels every 12 hours. Our brains actually change states when we sleep to remove the toxic byproducts of neural activity during the day. Strangely enough, research on mice has revealed that the same process is beginning to occur in …
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Despite the long evolutionary history of our species, humans have only been reading and writing for a few thousand years. New research shows that we may have ‘recycled’ a key region of the brain to help us understand the written word. In tests on rhesus macaque monkeys, scientists have shown …
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