› added 1 year ago

54

TIL: that the color of your nail polish can affect your blood oxygen reading.

Read more pubmed.ncbi.nlm.nih.gov

via reddit.com

Vo7Z TIL that it once took Jackie Chan 2900 separate takes on one scene in the movie Dragon Lord because it was so intricate.
0jbM TIL an LA woman hid her lover in the attic for several years without her husband knowing
BrabW TIL that Russians considered the winter when Napoleon invaded Russia to be "a relatively mild winter"
NaOQ TIL that there was a popular myth in many middle eastern countries that Neil Armstrong had converted to Islam upon hearing the call to prayer on the moon, going as far to require the state department to issue a denial
woP1P TIL according to a public health researcher from the University of Arizona, there's a high risk of cross contamination from using "reusable toilet paper" (aka "family cloth"), the germs can result in illness, and that the majority of people who use the cloth wipes are not washing them correctly.