Nevada County picayune., 1888-12-26
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 -M,aof fsa 4.:..,@ oshl in thi' ,ouatly ..s inaa r'el ,n Eagtqnd. atd ae naa3s@ a3 ,1nal aAngalll' is itoat 5,OJ),t).
 Wool r51yjaq is the sixth in i'm" oortance of the 6 ;.,oIitn'al industries n the United Stlta3, anl is surpassed only by corn, hay, wheat cotton and oats.
 A series of experiments lately made by d French machinist are said to have proved that steel loses weight by rust twice as rapidly as east lron when exposed to moist air.
 According to Prof. Potter asphalt, the article of pronmcat commercial importance of the prrsa1t day. was used in the building of tho tower of Babel and other ancjcut structures.
 A uew system of lighting called the "Luaizen" will be used at the Wyandotte shipyard. It is made by crude petroleum and air pumped by small engine, the flame being three feet high.
 The discovery and utilization of natural gas have proved powerful stimulus to the manufacture of iron pipes and tubes in this country; there are now 2.300 miles of mains in the United States for conveying natural gas.
 As a case of deafness a result or gazing for d few seconds at q powerful electric arc has becR reported to the French Academy of Sciences. The symptoms disappeared after about an hour and half. but returned on a repetition of the experiment.
 -Dr. Charcot, the great French physician, says that children under sixteen can not have their brains over worked. No forcing. he asserts, will get out of them more cerebral work than the brain will accomplish with out fatigue, It is not till after the age of sixteen or eighteen that forcing becomes possible.
 An international congress of nearly five hundred physicians lately in ses- sion in Paris was practically unani- nous that consumption. or tuberculosis, is contagious and transmissible be- tween man and beast. There was una nimitv also as to the prime necessity of boiling milk and cooking meat well as d preventive of much of the con- sumption which now alllicts the human race.
 investigation has shown that po- rous tcrra-cotta bricks and blocks best resist the action of fire, water and frost Next to these as fire-resisting materials comes concretes and burnt clay work. For buildings intended to be Gro-proof. the best materials are iron work, in eased in porous terra-cotta, with tile or brick work in roof and floor, and tile construction. The hollow tiles are faced with vitreous tile, slate, or any good weather-proof coating, or with single thickness of brick.
 It is not generally known, says the Miaillg Rcriem, that important mining operations are carried on in the Arctic Circle. Cryolite is carried from Green. land to Philadelphia by the ship-load to be used in making candles. Exten- sive copper mines have been worked for a long time in Finland. Most of the work of mining has to be done un. der ground, and the workmen in deep mines suffer from heat, consequently il is apparent that mines can be worked as proftably in these high attitudes as in our own country.
 --Dr Dastre a French physiologist, who has been experimenting with ami mals to determine the nature of sea sickness, reports that alter they had been subjected to various kinds of mo. tion, corresponding to the rolling and pitching of vessels, he found their in testines strangely displaced. He con- cludes that a similar disturbance pro duces scasickness on board ships. Co., cainc is said to he an excellent remedy. Another French physician who agrees with Dr.. Dastre as to the causes of sea- sickness, claims to have discovered two infallible remedies, one a mixture of atropine and strychninc, and the other ,affpina