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1973
Mayan Astronomers Predicted Eclipses
“The Maya had been experienced bare-eye astronomers. It now appears to be that they could even forecast eclipses of the solar. That is the summary of a new assessment of the ‘Venus Table’ and the ‘Lunar Table’ contained in the Maya ebook the Dresden Codex. Calculating in multiples of their personal 260-day ‘sacred calendar year,’ Maya astronomers surface to have detected two distinct kinds of periodicity in the recurrence of eclipses: a ‘short’ interval of 9,360 days (36 sacred years) and a ‘long’ interval of 11,960 times (46 sacred a long time). For photo voltaic eclipses visible in Central America, the table would have furnished satisfactory predictions from A.D. 42 to 886.”
Sourdough Micro organism
“Early prospectors in the American West carried the substances of a really acidic bread that attained them the title ‘sourdoughs.’ The bread is now baked commercially in San Francisco, but only not long ago was the organism responsible for its characteristic sourness discovered. Leo Kline and T. F. Sugihara of the U.S. Division of Agriculture located a fortuitous mixture of a yeast—Saccharomyces exiguus—and a bacterium, apparently of the genus Lactobacillus. For rapid development the micro organism involve the sugar maltose, from which they deliver lactic acid and acetic acid, which account for the sour taste. The yeast is tolerant of this acidic surroundings, and it ferments carbohydrates other than maltose to create the carbon dioxide that leavens the bread. The title proposed for the new species is Lactobacillus sanfrancisco.”
1923
Anesthesia From Sleeping Bouquets
“As considerably again as 1908 florists complained that carnations when positioned in greenhouses would go to sleep, and those people which experienced not opened would are unsuccessful to do so, triggering wonderful decline in their business enterprise. Investigation proved that ethylene from leaky gas fixtures was the trigger. This led Dr. Luckhardt and Mr. Carter of the University of Chicago a short while ago to examination the gasoline as an anesthetic. The fuel was tried using 1st on a lot of animals. The experimenters then attempted it on themselves. They describe the impact of the fuel combined with oxygen as giving a sense of perfectly-getting. They turned unconscious and then recovered. Various pupils then volunteered. Subjects experienced pins thrust as a result of their arms, and were being pinched seriously ample to leave black and blue regions. It is claimed that the new anesthetic offers decline of sensation without any sign of asphyxia, shortness of breath or outcome upon the blood pressure. The only following-effect was slight weak point and slight nausea.”
No Neutrons (But)
“We have step by step learnt that energy exists in two types, the adverse form, which is called an electron, and the beneficial variety, which is now commencing to be identified as a proton. The product universe looks to be crafted of these two aspects. Both the electron and the proton are pretty much lesser than an atom of subject. Both of those most likely have pounds, however the proton weighs as much as 1,830 electrons. But it is not appreciably bigger. The truth is, we do not know significantly about it. Regardless of whether the proton is an final unit, or no matter whether it can be fixed into a near-packed assemblage of simpler ingredients, which would account for its impressive fat or massiveness, stays for foreseeable future discovery.”
1873
Can Birds Sense Cholera?
“It is possible that birds, in some manner, become mindful of cholera infection in the air. Recent European journals state that at Munich, where many conditions of cholera have occurred, the rooks and crows, which flew about the steeples and as a result of the trees of the public promenades, have all emigrated. The similar matter happened during the cholera seasons of 1836 and 1854. The same phenomena happened at Mauritius, wherever the martins, which exist in immense figures the 12 months round, wholly disappeared in the course of the prevalence of the cholera.”
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