Tyrannosaurus Rex: The Early Years. Some of the first, fragmentary fossils of Tyrannosaurus Rex were discovered by the famous paleontologist Edward Drinker Cope (with Othniel. C. Marsh, one of the participants in the notorious 19th-century Bone Wars) in South Dakota in 1892.
Wet behind the ears. Naive. The allusion is to the inexperience of a baby, so recently born as to be still wet. This phrase was in circulation in the USA in the early 20th century - twenty years before it was first recorded elsewhere. The converse of the phrase - 'dry back of the ears', was also known in the USA from around the same date. There is not much in the matter so far as the organ [the courthouse record] is concerned except it is so new that it is wet behind the ears yet.
Dandruff-like flakes in the ear may be caused by seborrheic dermatitis, a dermatological condition that may be caused by stress, a yeast known as malassezia, cold winter weather and, in some cases, from diseases like HIV and AIDS or Parkinson's disease, says MayoClinic.com.