Monthly Archives: April 2016

Science Birthdays, April 29

4/29/1854        Jules Henri Poincare,              mathematician, Physicist and philosopher, polymath, he had poor eyesight and motor coordination and in some ways seemed retarded, he formulated the Poincare Conjecture, laid the foundations for chaos theory and was a founder of topology, he died in 1912 at age 58.

4/29/1872        Forest Moulton,          astronomer, advanced the planetesimal theory of the origin of the solar system, developed the Adams-Moulton method for solving differential equations, he died in 1952 at age 80.

4/29/1893        Harold Urey,               chemist, played a significant role in development of the atomic bomb and along with Richard Miller, developed a theory of how organic life developed from inorganic gases, he died in 1981 at age 87.

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Natural Disasters, April 29

1909      1909 Tornado Outbreak kills 165 people.

1912      1912 Tornado Outbreak kills 45 people.

1991      Bangladesh Cyclone struck the Chittagong district of southeastern Bangladesh with winds exceeding 155 mph kills 138,866 people and leaves 10 million homeless.

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Dog Tip of The Day, April 29

Most people think dogs are carnivores, but actually they are omnivores. A carnivore is an animal that prefers meat, an obligative carnivore is an animal that requires meat and whose diet consists mainly of meat. A herbivore is an animal that eats plants and usually no meat. Omnivores can eat meat or plants. Your dog is fine with a diet of some meat, along with other plant products. Pasta, sweet potatoes, eggs are all good for dogs.

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Science Birthdays, April 28

4/28/1774        Francis Baily,             astronomer, most famous for his discovery of

Baily’s beads during a solar eclipse, he died in 1844 at age 70.

4/28/1900        Jan Oort,                     astronomer, famous for saying that all comets had a common place of origin which was later called the Oort cloud, he discovered the galactic halo, he calculated the center of the Milky Way as being 5900 parsecs from earth in the direction of Sagittarius he showed that the Milky Way had a mass of 100 billion times the mass of our sun, he died in 1992 at age 92.

4/28/1906        Kurt Godel,                 mathematician, famous for his incompleteness theorems, he had a fear of being poisoned and had his wife taste his food, when she was hospitalized and couldn’t do this for him, he quit eating and died of starvation, he died at age 71 in 1978.

 

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Natural Disasters, April 28

2011      This was the final day of the 2011 tornado outbreak which began on April 25th and killed close to 300 people. These few days (from April 27-28) seem to have a lot of tornado outbreaks, as a matter of fact I heard about one on the news last night.

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Dog Tip of The Day, April 28

Keep in mind that digging, jumping, biting, fighting, barking, rolling in anything with an odor, chewing, urinating on objects, guarding, etc. are all normal dog behaviors. We have to train them not to do these behaviors by offering something more attractive, like acceptance into our pack (remember, the pack drive is one of the three major drives), a food treat or a toy (remember, the play drive is one of the other three drives).  The other drive is the prey drive. This is a hard one to control, because dogs like to chase anything that moves.

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Science Birthdays, April 27

4/27/1791        Samuel Morse             inventor, invented the single wire telegraph system, Morse code and was an accomplished landscape painter, he died in 1872 at age 80.

4/27/1820        Herbert Spencer          sociologist and English philosopher, polymath, He wrote Principles of Psychology in 1855. In an essay on evolution in 1857 he maintained that evolution is a universal law that applies to organisms, society, the brain, stars, galaxies, etc. he coined the concept of “survival of the fittest and struggle for survival,” after reading Darwin’s book, he published Principles of biology in 1864, he made use of Lamarckian rather than natural selection, in the 1870’s he became the most famous philosopher of the ages sometimes compared to Aristotle, he died in 1903 at age 83.

4/27/1896        Wallace Carothers      chemist, invented nylon and laid the groundwork for the development of neoprene, he suffered depression and felt that he hadn’t accomplished anything, he was also having an affair with a married woman that led to her divorce, his parents were broke so he allowed them to move in with him, they did not get along well, and moved out, he committed suicide in 1937 at age 41by drinking a lemon juice cocktail laced with potassium cyanide.

4/27/1913        Philip Abelson                        chemist, invented the liquid thermal diffusion isotope separation technique used in the Manhattan project, he was opinionated and held that overspecialization in science led to bigotry, meaning that everyone thought there work was the most important, his wife Neva Abelson was co-discoverer of the Rh blood factor test, he died in 2004 at age 91.

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