› added 5 years ago

243

TIL about 'Franks Sign'. A diagonal crease in an ear lobe, which has been hypothesised to be a predictor of cardiovascular and coronary artery disease in older populations.

Read more ncbi.nlm.nih.gov

via reddit.com

BgWnb TIL Sadleria cyatheoides, or ʻamaʻu, is a fern endemic to Hawaii and is found in lava flows, open areas, and wet forests on all major islands. the ferns young fronds are often tinted red to protect against harmful sun rays
mx66R TIL Norway's Stad ship tunnel will be the world's first. The tunnel will connect two fjords to bypass what would be otherwise dangerous navigational hazards.
Ww1Y TIL that there are tounge-twisters in sign language.
b6jQ0 TIL that between 1230 and 1561, many English towns had a street called “Gropecunt Lane,” named after prostitution centered on those areas. Many of these streets have since been renamed to “Grape Lane.”
Me4PA TIL PanAm Airlines Once Operated a Guided Missile Division