Evening star., 1909-06-12
SCIENCE NOTES.

s1O0,OOOoOO.
The linen industry of, Ireland employs
10000 persons.
The average weight of the heart is
from nine to eleven ounces.
It is estimated that England annually
consumes the milk Of 5,OD,OOO cows.
Copper and wire sheets are now pro-
duced direct from the crude metal on one
process.
The worlds postal business is increas-
ing at the rate of per cent per annum.
The prizes now being contested for by
aviators number thirty-eight and are
valued at 5000 900.
The Chinese pupil reciting his lesson
turns his back to the teacher.
Two-thirds of the native population OF
Uganda has been wiped out by the sleep
ing sickness in seven years.
The bark Of the dog is an acquired
habit In his wild state he never barks
but whines and howls.
If human being continued to grow
at the same rate as he does In his first
year he would be sixty-eight feet tall at
the age Of ten.
At the desire of the President. Mrs.
Taft refrains from driving a gasoline
automobile and operates an electric We
hce over the streets of Washington.
The United States annually exports
more cottonseed oil than all the other
countries of the world combined-4o, ,OOO,
900 out of 52,OOO,000 gallons.
More than 10000 workmen are killed
in the course of year in this coun-
try by accidents incident to their occu-
pations.
The mill occupying the most northern
location in America is a flour mill at
Vermillion. TOD miles north of the United
States boundary. and within 400 miles
of the Arctic circle.
There is a telephone line over the Alps,
but the record elevation in this respect
belongs to the United States. there be-
ing a line at Camp Bird, Col. which
is 1900 feet above sea level
Milk is now sterilzed by exposing Il.
to the ultra violet rays of a mercury
vapor lamp. The chemical composition
of the milk is unchanged by the treat
ment.
The current year book Of The Carne-
gle Institution shows that during the
nearly 100 persons engaged in conducting
scientific research.
Wrecks reduced the effective mercan-
tile marine of the world in 1907 by 1853
vessels, of S5l, ,224 aggregate tonnage, eX-
elusive of vessels of less than 100 tons.
Great Britain's percentage of loss was
less than that of any other of the prin
cipal ship-ownins countries.
The proportion of felonies relating to
property to the population in the police
area of London has risen steadily of re-
cent years In 1907 it was 2.6s9 to each
thousand of the population, a higher
figure than in any year since 1895.
A trackless trolley on the streets OF
Vienna nearly a mile and a half long
operates with success, although 1t is
not expected that it will be a paying
venture for year or two it has a
double line SO that vehicles may pass
in each direction without interfering with
each other.
AS rule. white blossoms are the most
fragrant.
ST. Louis. Mo, has developed into
very important glass center.
The number Of automobiles registered
in London is nearly 5000.
Boys grow most rapidly in their sew
enteenth year: girls in their fifteenth.
The English army now has 1900 total
abstainers.
The frigate bird. with record of 800
miles an hour. is the fastest flyer.
The life of the czar's son is insured for
more than S2N00,Oo
The cleansing of I,ondons streets con-
sumes SO,UO,OOO gallons Of water each
year
Taking the average for the world there
is one newspaper for $1,000 Inhabitants.
telephone line is being constructed in
the Alps which will hold the record for
height.
The latest Japanese bank notes are
printed i'm English as well japanese
characters.
The name John Bull as applied to
the English nation was first made use of
in a poem dated 1712
is Roumania. Two-thrds of the popula-
ton can neither read nor write.
In the course Of manufacture the cham
agne bottle passes through the hands OF
forty-five workmen
The manufacture OF wire glass is OF st. |
Louis origin, and the largest factory in
the world devoted to this product is IN
that city. 1t employs $50 men.
The reclamation service of the United |
States has already committed itself to |
irrigation projects which will involve |
total cost of S90,OOO.OOO.
Recent successes In the art of sky |
sailing have stimulated the toy designers, |
and at the present time there are a num- |
ber Of fiying-machine toys to amuse the |
children.
Opalescent glass for use in the manu- |
facture of stained glass windows is made |
In this country in a manner which cam |
not be duplicated. and this material is |
shipped all over Europe.
After this year the railroads of New |
York which traverse the forest regions |
must burn oil as locomotive fuel during |
the summer months as a means of pre- |
venting forest destruction.
Sixteen million dollars worth of con-