› added 1 year ago

81

TIL from my dentist that students practice local anesthetic on each other

Read more pubmed.ncbi.nlm.nih.gov

via reddit.com

xVnMD TIL that when Ronald E. Rosser lost one of his brothers in Korea, he enlisted to get revenge and would end up earning the Medal of Honor. When another brother was killed in Vietnam, he once again volunteered to fight but was turned down.
yQrve TIL white-crested helmetshrikes (Prionops plumatus) are native to sub-Saharan Africa. They build their nests collectively with bits of bark stripped off of trees binding them together with spider webs.The birds acquire these webs by flying through spider webs using their flared crests as collectors.
4Q4X TIL The first native English speaker to teach English in Japan was named Ranald MacDonald
pYEYA TIL that about 80% of the animal and plant species in Madagascar are unique to the island and found nowhere else on Earth.
VBLyZ TIL Because it is so close to the Sun, Mercury is only observable in the early morning just before sunrise, or at dusk. Ancient Greek astronomers once believed Mercury was actually two separate objects