Questões de Concurso

Michael Jackson went 60 days without real sleep

Michael Jackson died while preparing to set a world record for the most successful concert run ever, but he unknowingly set another record that led to his death.

Jackson may be the only human ever to go two months without REM - Rapid Eye Movement - sleep, which is vital to keep the brain and body alive. The 60 nights of propofol infusions Dr. Conrad Murray said he gave Jackson to treat his insomnia is something a sleep expert says no one had ever undergone.

“The symptoms that Mr. Jackson was exhibiting were consistent with what someone might expect to see of someone suffering from total sleep deprivation over a chronic period, ” Dr. Charles Czeisler, a Harvard Medical School sleep expert, testified Friday at the wrongful-death trial of concert promoter AEG Live, company that hired Dr. Conrad Murray as Jackson's personal physician.
Propofol disrupts the normal sleep cycle and offers no REM sleep, yet it leaves a patient feeling refreshed as if they had experienced genuine sleep, according to Czeisler.
If the singer had not died on June 25,2009, of an overdose of the surgical anesthetic, the lack of REM sleep may have soon taken his life anyway, according Czeisler's testimony Friday.

Michael Jackson went 60 days without real sleep

Michael Jackson died while preparing to set a world record for the most successful concert run ever, but he unknowingly set another record that led to his death.

Jackson may be the only human ever to go two months without REM - Rapid Eye Movement - sleep, which is vital to keep the brain and body alive. The 60 nights of propofol infusions Dr. Conrad Murray said he gave Jackson to treat his insomnia is something a sleep expert says no one had ever undergone.

“The symptoms that Mr. Jackson was exhibiting were consistent with what someone might expect to see of someone suffering from total sleep deprivation over a chronic period, ” Dr. Charles Czeisler, a Harvard Medical School sleep expert, testified Friday at the wrongful-death trial of concert promoter AEG Live, company that hired Dr. Conrad Murray as Jackson's personal physician.
Propofol disrupts the normal sleep cycle and offers no REM sleep, yet it leaves a patient feeling refreshed as if they had experienced genuine sleep, according to Czeisler.
If the singer had not died on June 25,2009, of an overdose of the surgical anesthetic, the lack of REM sleep may have soon taken his life anyway, according Czeisler's testimony Friday.

INSTRUCTIONS: Read the following text carefully and then choose the correct answer.
Leonardo da Vinci

Known as the greatest artist in the history of mankind, Leonardo da Vinci was also a great philosopher and scientist. Leonardo is the most influential figure in the Italian Renaissance and he is considered to be an inventive multi-genius.

Leonardo was born in 1452 in Vinci, Italy, as the child of Piero da Vinci, a notary, and Caterina, a country girl. He stayed with his father's family and they moved to Florence when he was just 12. At the age of 14, Leonardo started out his artist's apprenticeship at the studio of Andrea del Verrocchio (1435-1488), an Italian sculptor, goldsmith and painter.

The art of painting made Leonardo knowledgeable about anatomy and perspective. In addition to painting, Verrocchio's studio also offered technical and mechanical arts and sculpture. Leonardo had developed an interest in architecture so he went on to study engineering.

After a decade of highly original work as an artist, Leonardo wrote to several wealthy men to help finance his projects. The Duke of Milan, Ludovico Sforza (1452-1508), accepted his offer as Leonardo told him that he could design war weapons like guns and mines, and also structures like collapsible bridges. He lived in Milan with the Duke from 1482 to 1508, reportedly creating very innovational war machines. He also did painting and sculpture, as well as urban planning for large-scale water projects. There, he also wrote about making a telescope to view the moon.

Available at: <http://www.famousscientists.org/leonardo-da-vinc> (Edited).