Science Birthdays, February 21

August Wasserman, born in 1866, he worked under Robert Koch, developed a diagnostic test for syphilis still known as the Wasserman test. He died in 1925 at age 59.

Carl Dam, born in 1895, he was a chemist who studied under Pregel, he studied the synthesis of cholesterol in hens and also hypothesized vitamin K as a coagulation factor, it stands for Koagulation, the German spelling.

Rene Dubos, born in 1901 he was a biologist and microbiologist whose research led to discoveries of antibiotics.

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Science Birthdays, February 20

Today is the birthday of Ludwig Boltzmann, born in 1844, he was one of the founders of quantum mechanics when he suggested that energy levels of a physical system could be discrete, also known for his kinetic theory of gases, he hanged himself during an act of depression.

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Natural Disasters, February 22

1651 St. Peter’s Flood: A storm surge floods the Frisian coast, drowning 15,000 people.
2005 Zarand earthquake, a 6.4 Mw earthquake shook the Kerman Province of Iran with a maximum Mercalli intensity of VIII which is Severe, leaving 612 people dead.
2011 New Zealand’s second deadliest earthquake struck Christchurch killing 185 people.
2015 A ferry carrying 100 passengers capsized on the Padma River in Bangladesh killing 70 people.

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Natural Disasters, February 21

1971    A twister in Mississippi killed 73 people, 68 of them in Mississippi and 5 in Louisiana. Additional damage occurred in Texas, but with no fatalities. One of Oklahoma’s worse winter storms occurred on this same day resulting in 2 deaths. Over two feet of snow fell with drifts as high as 15 feet.

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Natural Disasters, February 20

1835    Concepcion Earthquake destroys Concepcion, Chile.

1979    An earthquake cracks Sinila volcanic crater in Dieng Plateau releasing poisonous hydrogen sulfide gas and kills 149 villagers in Indonesian province of Central Java.

2010    Heavy rain caused floods and mudslides in Madeira, Portugal, resulting in at least 43 deaths in the worst disaster in the history of the archipelago.

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Dog Tip of The Day, February 22

A small adult dog might only need ½ cup of food while a 100 lb adult dog needs about 5 cups maybe even 6. A 50 pound dog would need about 2 ½ cups.

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Dog Tip of The Day, February 21

How much should you feed a puppy?  About ½ cup,  three times a day. Puppies need smaller meals more often for easier digestion.

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