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Detail from The Extraction of the Stone of Madness, a painting by Hieronymus Bosch depicting trepanation (c. 1488–1516). Trepanning, also known as trepanation, trephination, trephining or making a burr hole (the verb trepan derives from Old French from Medieval Latin trepanum from Greek trúpanon, literally "borer, auger"), [1] [2] is a surgical intervention in which a hole is drilled or ...
Human skull with evidence of trepanation found at Monte Albán in Oaxaca, Mexico.. Trepanation in Mesoamerica has been practised by a number of pre-Columbian cultures in the Mesoamerican region, dating from at least the mid-Preclassic era (ca. 1500 BCE), and continuing up to the late Postclassic, or ca. 1200 CE.
A trephine with a center pin can be seen on the left. Dr. John Clarke trepanning a skull, ca. 1664, in one of the earliest American portraits. Clarke has a trephine in his right hand. The painting is in Harvard Medical School. [1]
The right is uniquely positioned to lead on education because it’s not hindered by the left’s entanglements, and is thus much freer to rethink the way that early childhood, K-12, and higher ...
Trephination was when a small hole was drilled into a person's skull to let out demons, as that was an earlier belief for mental disorders. Bloodletting is when a certain amount of blood was drained out of a person, due to the belief that chemical imbalances resulted in mental disorders.
Teachers in Massachusetts warned that President Donald Trump's recent executive actions targeting "woke" education in America's schools would hurt students and threaten the academic freedom of ...
For every new rule, President Donald Trump plans to kill 10 old ones. That's the thrust of the president's latest executive order, signed Friday, called "Unleashing Prosperity Through Deregulation
This is an accepted version of this page This is the latest accepted revision, reviewed on 6 February 2025. Education in the United States of America National education budget (2023-24) Budget $222.1 billion (0.8% of GDP) Per student More than $11,000 (2005) General details Primary languages English System type Federal, state, local, private Literacy (2017 est.) Total 99% Male 99% Female 99% ...