Bonners Ferry herald. [volume] (Bonners Ferry, Idaho) 1904-current, 1910-05-14
| IzMsn Science
N q S5kS ~ AND
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The boiling-points of metals have
not hitherto been very accurately as
certained. Recently II. c. Greenwood
had undertaken a new investigation OF
this subject, and he gives the follow
ing results for certain well known
metals: Aluminium, 800 degrees c.;
copper, 2,310 degrees, c.; iron, 2,450
degrees c.; lead, 1926 degrees c.; sill
yer, 1856 degrees c.; tin. 2,27O de-
grees
Lord Dudley, the Governor-General
of Australia, has headed movement
for persuading the federal government
to establish in Australia solar OBJ
servatory to act in concert with those
now in operation in England. India
and America. 1t is pointed out that
there is a great break in the chain OF
these observatories, extending between
California and India, and covering a
distance of $50 degrees of longitude.
The proposed observatory in Australia
would serve to fill this gap Moreover,
IL would possess special value from
being located in the southern hemi-
sphere. With its aid continuous Sc
ries of observations of the sun, ex-
tending throughout the "a hours, could
be made.
Among the most interesting of Amer
lean birds is the great vulture called
the California condor, which rivals the
famous condor of the Andes in size,
averaging Az feet in length and 10
feet in spread of wings. 1t nests in
wild and inaccessible places in the
mountains Its eggs measure Az by
21h inches, and are very rare in col
lections. Prof. Vernon l.. Kellogg calls
attention to the fact that this bird car
ries two mallophagan parasites which
are common to it and to the two other
great vultures of the American cor
dillera. the Andean condor and the
king-vulture, whose combined range
extends several thousand miles north
and south. But the parasites are wing
less. whereas the vultures represent
three separate genera, of which the
individuals are particularly non-grega
rious. How, then. have they come into
| the Dossession of identical parasites
Professor Kellogg believes that the ex
nlanation must be that the parasites
| infested an SAlluCb tOAuAhOA oA~N-7eS4 VI
the three related types of birds, and
have persisted, practically unchanged
on its now divergent descendants
Invention during the next two OF
three centuries, says Prof. John G
McKindrick, will probably be in the
direction of initiating the wonderful
economy, and the simple, direct meth
| DDS of nature. Take the electric eel
its electric organ is in no sense {
stora ge- battery, but a contrivance by
which electric energy is liberated a
the moment when it is required. A
rest. the organ shows so small an cleo
tromotive force that good galvano
meter is required to detect it, but I
sudden nervous impulse from the eel
spinal cord raises a potential of man.
volts, with very little heat, and s.
small an expenditure Of matter as il
defy the most expert chemist to weigl
It. Firefies, glowworms and man.
deep-sea fishes produce light withou
heat, ~at a cost which would make tn
price Of wax vesta an extravag CANT out
lay" The organic chemist requires al
the resources Of his laboratory, wit
high temperatures and potent agencies
30 produce alkaloidal substances whic
plants make at low temperature an
by slow processes.
Even the honest pretzel is crooked