Why Did Ancients Drill Holes In Their Heads? Researchers have found evidence, as in this 900 year old skull, of trepanning by ancient Peru Healers. drilling through the bone but not touching the brain takes incredible skill, according to Bioarchaeologist at U.C. Santa Barbara. Even post mortem cranial holes were drilled. 32 skulls were collected, 1000 - 1250 years old in S-Central highlanda of Andahuaylas, Peru, all showing trepanning.
Astrophysique. Stephen Hawking propose une nouvelle solution aux mystères des trous noirs | Courrier international
This is the story of a quite extraordinary synthesis in the history of archaoastronomy, as the bare bones of an advanced astronomical system are revealed for the first time in a thousand years. It is also the story of two numbers that underpin life on Earth and shape our local […]
Des fibres en cellulose aussi résistantes que l'acier