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Palaeotarbus jerami, a trigonotarbid and the oldest known arachnid
Laparoscopy. A lighted endoscope specialized for insertion into the abdomen, called a laparoscope, i
Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called
Forensic anthropologists working at a temporary morgue following the recovery of remains from a floo
Children with disabilities used to be sent to special schools. In a process called mainstreaming or ...
A square matrix P is called a permutation matrix if each row and column of P contains exactly ...