Archive for August 10th, 2012
Look for the annual Perseid meteor shower to be at its best this weekend! Best times to watch: after midnight and before dawn on August 11, 12 or 13. We give the nod to Sunday, August 12 – in the hours between midnight and dawn – as the possible best day. But any of these mornings should be fine for watching this year’s Perseid shower.
Iced tea contains high levels of the chemical oxalate that can cause small crystals to develop in the urine, raising the risk of kidney stones, Loyola University researchers said. To avoid painful kidney stones, the study team recommended staying hydrated and getting plenty of calcium, reducing salt and meat intake, and staying away from other foods high in oxalates, such as chocolate, nuts and rhubarb.
Scientists from The Scripps Research Institute have identified a new stem cell population that may be responsible for giving birth to the neurons responsible for higher thinking. The finding also paves the way for scientists to produce these neurons in culture — a first step in developing better treatments for cognitive disorders, such as schizophrenia and autism, which result from disrupted connections among these brain cells.