The Nezperce herald. (Nezperce, Idaho) 1900-1957, 1906-09-20
kMNSCienCe
NE4a1vention
~~~~~~~

Sodium or gine~sllicate. tn a bot one
half or one ger cen solution. L. a new
French preservative and n~reprooans for
wood. especially for mInes-
Passing bubbles under ships By an
air JET. or lubrlcatins with kerosene oil
two or three times q day. has been
suggested as q means Of lease1ins frie
ton.
The ~recognition-sense" Of ants -
found by II. Pelron 10 be a recognition
Of odor BIZ the antennm. The usual
| hostillties OF ants ceased when those
Of the stranger species or community
were given their own odor. while after
iosing their antennm they fought friend
and woe alike.
During the last fwenty years 2so1i
balloon and air ship aseents have taken
place Ia Germany and only thirty aix
cases OF accident have befallen The
7.570 persons taking part In them. Con
seauentiy one trip In atty seven comes
to grief. or one asronaut In 2ls meets
with an accident.
Sir Robert BAH. who has been lee
turing % the glacial epoch. informed
bis hearers recently that the next iee
age IA due 10000 winters hence. Then.
he says, all northern Europe and Amer
lea will be once more under an tee cap
that will cover the highest mountains
and last for many thousands o. years
In q novel Device for preventing tho
racing Of propellers. a pendulum gras-
ltates with the vessels motion The
pendulum IL connected 4 the throttle
valve. and as the stern rises xsear. IL
gradually shut OF up to the pollok
where tine engines are stopped alto
getheY. the valve being reopeued as the
propeller begins to take water agafn
Fer the purpose Of studying the
causes Of mountain sickness. two
French medical authorities. nrs.
Guillemark and Moog. during last July
made q stay az the Mont Blanc obssrv-
atory. According to the results OF their
investigations. which have now been
published. -the diminished tension OF
ths oxygen of the atmosphere clogs the
process of oxidation and this sets up an
elaboration OF toxic substances. ths re-
tention of which causes symptoms Of
Standardization"
A recent discussion OF the duration
OF life among birds la the English peri
odicaI. knowledge. recalls the story of
a venerable parrot which Humboldt
saw during bis travels In South Amer
lea. and which. although very voIuble.
could not be understood By anybody.
because the words II used belonged to
the language Of q tribe Of Indians who
had become extinct Stree the aged bird
took its lessons. Parrots are proven.
blaliy Iong.lived. and go are ravens
and some species OF vultures. A white
headed vulture died in the geological
gardens at Vienna after ffs years Of
captivity.
Recent experience with the acetyiene
blowplpe in England has approved 1t
as n valuable invention IL produces
a temperature exceeding 1000 degrees.
The temperature producibIe by the oxy-
hydrogen blowpipe. s,eo0 degrees TO
AGO degrees. is limited By the dissocia.
ton temperature OF steam. whereas
with ~acetylene the limit Ia that OF tbs
d~i.sociation temperature Of carbon
monoxid. which Is much higher. This
scxtyiene. in a dissolved state, Ia used
I'm conjunction with oxygen. IL splits
nm into its constituents. hydrogen and
carbon. at the base Of the fame. and
the carbon only takes part In the burn
ing. The hydrogen remains free and
forms a protection to the small zone at
the nozzle, wherc the carbon IL burn
Ing. and which Ia the point Of maximum
temperature.