A sample collected from Crater Lake in Oregon contains 81.07…

A sample collected from Crater Lake in Oregon contains 81.072% 11B (11.0093u) and  10B had an actual mass of 10.0129u.  If the average atomic mass of Boron is 10.82u then what is the percent abundance of 10Boron found in the sample? Make sure you enter your answer using the proper significant figures.

A patient with a recently fractured left femur has been relu…

A patient with a recently fractured left femur has been reluctant to comply with his physical therapy. A goal fo this patient is to attend therapy treatments three times each day. The patient states, “I don’t like therapy, it hurts, but I have been going twice a day. “What would the nurse evaluate as the result for the set goal?

What is it about humor that makes us laugh?  The clue can be…

What is it about humor that makes us laugh?  The clue can be found in the fact that almost all jokes contain a contradiction between two realities, usually a conventional and an unconventional one.  These two realities represent conflicting definitions of the same situation.  To make people laugh, we first make them clearly aware of their taken-for-granted conventional definition of a situation and then surprise them by contradicting that definition with an unconventional one.  Look, for example, at the following joke from a study by one researcher:  My wife comes home and says, “Pack your bags.  I just won $20 million in the California lottery.” “Where are we going? Hawaii? Europe?” I ask jubilantly. She says, “I don’t know where you’re going, Doug, as long as it’s out of here.” The first two sentences set up in our mind the conventional assumption that the married couple will share the joy of winning the lottery.  The punch line strikes down that assumption with the unexpected, unconventional reality that a presumably loving wife wants to be free from her husband. Humor