› added 7 years ago

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TIL certain medications can potentially cause permanent tinnitus and hearing loss.

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nGlB TIL that as part of their training, 18 month old circus elephants are chained together and made to stand still for 23 hours a day
R7vJ1 TIL that the U.S. Surgeon General found that smoking caused more than 20 million premature deaths in the United States between 1965 and 2014
78lwr TIL that Antarctica is home to a striking natural wonder known as 'Blood Falls,' where a vivid red waterfall spills from the Taylor Glacier into Lake Bonney. Despite its unsettling appearance, the red hue stems from iron oxide present in the water. Additionally, the water is exceptionally saline.
wLjvM TIL that despite being studied since its discovery in 1906, scientists have yet to rule out a germ origin for Alzheimer's disease. The infectious hypothesis could explain why neurosurgeons are twice and a half more likely to die from it than the general population.
WRGB TIL that vitamin A enriched rice, developed nearly 15 years ago, could have prevented hundreds of thousands of cases of childhood blindness. It has never been used due to concerns over GMO foods.