What force and strength cann...
[4085] What force and strength cann... - What force and strength cannot get through, I with a gentle touch can do. And many in the street would stand, were I not a friend at hand. What am I? - #brainteasers #riddles - Correct Answers: 32 - The first user who solved this task is H Tav
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What force and strength cann...

What force and strength cannot get through, I with a gentle touch can do. And many in the street would stand, were I not a friend at hand. What am I?
Correct answers: 32
The first user who solved this task is H Tav.
#brainteasers #riddles
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Saving Life

A college physics professor was explaining a particularly complicated concept to his class when a pre-med student interrupted him.
"Why do we have to learn this stuff?" The young man blurted out.
"To save lives," the professor responded before continuing the lecture.
A few minutes later the student spoke up again. "So how does physics save lives?"
The professor stared at the student for a long time. "Physics saves lives," he said, "because it keeps the idiots out of medical school."

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Alfred Day Hershey

Died 22 May 1997 at age 88 (born 4 Dec 1908). American biologist who, along with Max Delbrück and Salvador Luria, won the Nobel Prize for Physiology or Medicine in 1969. The prize was given for research done on bacteriophages (viruses that infect bacteria). This was the famous “blender experiment”(1956). Hershey used an isotope- labeled phage to to infect a bacterial colony and begin to inject their genetic material into the host cells. Then he whirred them in a Waring Blendor to tear the phage particles from the bacterial walls without rupturing the bacteria. Upon examining the bacteria, Hershey found that only phage DNA, but no detectable protein, had been inserted into them. This showed that the DNA was sufficient to transfer to the bacteria all the genetic information needed to produce more phage.
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