SCIENCE AND INDUSTRY.

Alexandra Herald and Central Otago Gazette, Issue 406, 18 February 1904, Page 8

SCIENCE AND INDUSTRY.

: .VJfcwng' the 283 medical journals? fllpttrtrfi in the United States, 23 are exclusively to hygiene- | 9tah h«* more than doubled its - tunfactoring plants since 1390. the ■—iT iii ■ increasing from 830 -to 1,400. A German naturalist any* that In mm* of an early spring a single pair mt f tld mice may, by toe end of the autumn, be the prond ancestors of MO mice. <m V» nnita of work done in Great TiCtfn, 13 are accomplished by men~ %9Kczr unaided by machinery. In the Un : t*£l States only fonr f«*r «-ent- of Wirfe iii r,-ne by mau-pon r. St'i.-;» r»»*i! : cal {onrnaSs nf high nuts or ; i;:..»: r!:at ozone can be arti- ***'**: j |.j--i-*.-. t! et reasonable exT prM- in purify the air in tunnels, *»"•-•!■ *r.f- other places in 1..-nnnn. T2*e result* ach..?»ed in «.r-rmany wit*; the open-air treatment of conneßiptron I »re been so r tnarkable I}ts- Ibe number of special hospitals Y.z% rapidly increased to SO, with 5,000 Sir William Crookes haa just anl»snsced to the Royal society an eas nest of a pal? brown color which - fce call* riefcrtnm. It ranks between * yttrium ami terbium and has an atomic wchr!.t of 17 and a spectrum in the ultra-riolrt region. In order to examine the spectrum an apparatus haa been constructed which will measure to the one btmdreti tkouHandth* of an inch. - A Straaburg aeronaut says he ha* teen an eagle at til* height of 3,00 ft meters and again a pair of storks six a. tuzsard 900 meters above the ncl hrwtl. On March 10, IS9O, some jafsopauu obserTed a lark fly ng at Che height of 1,000 meters; on July 18, 1839, another balloon met a couple of crows at sn altitude of 1,400 teeters. These, however, are rxs*:p tiona. B:n:« are 'hardly erer seen stboee a height of 1,000 meters; even •bore 400 meters they are not fre-