Science Birthdays, October 19

Today is the birthday of Walter Cannon, born in 1871, he discovered using x-rays to study the digestive system by feeding a patient a Bismuth meal. He also discovered the concept of homeostasis.  He coined the phrase flight or fight response

Today is also the birthday of Chandrashekhar, born in 1910, he discovered the Chandrashekhar limit which is 1.5 times the mass of our sun, anything over that would result in a supernova.

Advertisements

Leave a comment

Filed under Scientist's Birthdays, Uncategorized

Natural Disasters, October 19

Oct 19 2005    Wilma, hurricane Wilma becomes the most intense Atlantic hurricane on record with a minimum pressure of 882 mb.

Leave a comment

Filed under Natural Disasters, Uncategorized

Dog Tip of The Day, October 19

Every weekday morning after my wife leaves for work, I see her off, come into the house, grab a cup of coffee and give the dogs a morning treat. I can tell by the looks on their faces that they are looking forward to that treat. That is a conditioned response. They know they are going to get that treat. How do they know that?  They relate those unconditioned activities at that time of day with the unconditioned treat. When treats are involved and actions are repetitive they for conditioned responses.

Leave a comment

Filed under Dog Tip of The Day, Uncategorized

Science Birthdays, October 18

Today is the birthday of Christian Schonbein, born in 1799, he discovered ozone, from the Greek word for smell. He also discovered guncotton while working with acids in his kitchen and using his wife’s apron to clean his hands.  In 1847 one of his guncotton factories blew up killing 21 people. He died in 1868 at the age of 69, to his death he rejected the atomic theory

Leave a comment

Filed under Uncategorized

Natural Disasters, October 18

1356    Basel earthquake, the most significant historical seismological event north of the Alps, destroys the town of Basel, Switzerland.

Leave a comment

Filed under Natural Disasters, Uncategorized

Dog Tip of The Day, October 18

Respondent conditioning, often called Pavlovian conditioning or Classical conditioning seems to work best with food rewards.  Other rewards are praise, or a playing with a favorite toy.

Leave a comment

Filed under Dog Tip of The Day

Science Birthdays, October 17

Today is the birthday of Paul Bert, born in 1833, he is often considered the father of aviation medicine, he recognized that nitrogen under pressure causes the bends, he published his views on decompressing stages in 1878.  He died of dysentery at the age of 53 after being appointed governor-general of Indochina.

Leave a comment

Filed under Scientist's Birthdays, Uncategorized