The silver state. [volume] (Unionville, Nev.) 1870-1903, 1888-04-05
POPULAR SCIENCE.
A Variety eff Useful Information Con
densed Int a small space.


able one TO penetrate thick, smoky places
the mouth and lips should be covered
with cotton wool
A New Yorker proposes to make rail
road car entirely of wood pulp. He
claims that it will be ndestructble either
by fire or by shock.
In London the proportion of children
under five years of age is nearly dosble
that Of Pari-, but the proportion OF Lon
don population between forty and sixty
is only about two-thirds that OF Paris
In lS4l only 43 per cent. OF the popu.
lation of Ireland were over sixty years
old. In 1881 the percentage over sixty
was 1916 10 England the percentage Of
population over sixty was in lS4l 70, and
in 1871 it was only rs.
The highest recorded balloon ascent
was by Glaisher and Coxwell from VOL.
verhampton, England, on September 5,
1862. They rose to the height of seven
miles. According to Glaisher, in $500
balloon ascensions only fifteen deaths
have occurred.
Persons whose plants mysteriously
sicken and die are warned by DR.. j. w.
l.. Thudicum, in communication to the
London Society OF Arts, that only pure
water must be used in watering them.
Impure water breeds sort of fungus at
the roots, which soon destroy them.
The Jambue seed, or "Esgenia Jsmbo.
lana, is now recognized to have the prop.
erty of arresting the transformation of
starch into sugar, and hence its great
value as medicine. Specimens of this
medicinal plant are now being cultivated
in England.
w. Mattieu Williams thinks that the
instinct which guides the swallow south
ward in Autumn is probably of a very
practical and unpoetieal kind Its fsod
is chiefly flying insects, the development
of which ceases with the advance of cold
from the North, and in migrating the
bird is simply following its retreating
fosd supply.
The exhibition of fish recently opened
at Havre. France includes many poison.
oas varieties some Of which are poisonous
when eaten others merely venomous. Tn
the Japan Sa found one Of the former
class which sometimes used IS araoans
d a'e3e brings on SEN aas Ike
chose produced By mospaia and then
DEATH
Another illustration Of the efficacy of
oil to subdue the turbulent waters is fur.
nished by the New Haven schooner Spar.
ia. She was caught in gale aud, after
being badly damaged and blown two hxn.
dred miles off shore, the use of oil was re-
sorted to. Comparatively calm water re-
suited, and the vessel rode quietly on her
way.
A IISHtH investigator HAS lecenttN
studied the influence OF cold and hot baths
upon the respiratory and nutritive pro
essses His conclusion is that under the
Influence OF cold baths more oxygen is alb
sorbed aud more carboac acid is expelled. |
At the same time more air passes through |
the lungs Hot baths act in similar
manner, but in less marked degree.
A 'cable anchor" for stopping boats
has been successfully tried in the Seine.
The apparatus consists of a cable having
on II series of canvas cones. which opens
by the action Of the water. aud close
when drawn the usual way. a stea@er
running thirteen kAots was stopped in
thirteen seconds, and in a space Of from
twenty to thirty feet, by this arrange
nent