The Kootenai herald. [volume] (Kootenai, Idaho) 1891-1904, 1903-12-18
lx.m(sxSCienCe
Igl SK.l H., ANO
$ : 5s s.sll4lVentiOn


One of the most durable woods is
sycamore. A statue made from 1t now
in the museum of Gizeh at Cairo, is
known to be nearly 5000 years old
Notwithstanding this great age, it is
asserted that the wood itself is en-
tirely sound and natural in appear
ance.
A new fuel is being manufactured |
in California which is made from
twigs and leaves of the eucalyptus
tree mixed with crude petroleum. 1t
is said to burn freely and give good
results. Piles made from this tree are
immune from attacks by the teredo,
and Last longer than yellow pine. The
demand for them is greater than the
supply.
An innovation in the line Of railroad
telegraph service has been put into
use on the New York Central Railroad
between Utica and Albany. BY the
means of the apparatus a single wire
can be used for telegraph and tele-
phone messages at the same time.
While the operator is ticking away
telegraph in Morse code another per-
son can telephone a message without
the slightest interference
In a recent report on the results of
extended measurements of mental
traits In the two sexes, Prof. %. L.
/ Thorndike said that in the measure
ment of abilities the greatest differ
ence found was the female superiority
in the tests of impressibility, such as
the rate and accuracy of perception,
verbal memory and spelling. In these
matters only about One-third of the
boys reach the median mark for girls.
In general the girls were found to
be mentally less variable than the
boys.
The War Department. cooperating
with the Sheffield Biological Labora-
tory at Yale, has detailed 20 men from
the Hospital Corps Of the army to
go to New Haven under charge of an
assistant army surgeon, and submit
to experiments intended to determine
whether physiological economy in
diet cannot be practiced with distinct
betterment TO the body. and without
loss of strength and vigor. Profess
tiGc School says there is apparently
no question that people ordinarily
consume much more food than there
Is any necessity for and that this ex
cess is, in the long run, detrimental tc
health, and defeats the very objects
aimed at.
electromagnetic promise to come into
| 20.
of iron in factories and rolling mills
Instead of the present hooks anC
chains a large piece Of metal is sus
pended above the iron or steel Objec
to be fitted, a current is run through
this. rendering it magnetic, so that 1
simply picks up the object and hold,
ii until the current is turned off 4
ma snet weighing $50 pounds can carry
a load of five tons. The time required
for fastening a load to a crane by tn
present methods is estimated to rep
resent one-half the cost of handling
the material, so that great saving Il
handling material is apparent. Their
IS a number of these electromagnet
now in use at different steel plants.
If we must have mosquitoes at al
: people will regret that the new specie
y of these insects which DR.. William l
Underwood has discovered is a natv
. of the Maine woods instead of NOR
o pOpulOus parts of the country. Fo
this mosquito does not bite, althOug
it Is so large that if it We're give
e to biting it would be a terror; an
l. moreover, its larvae feed eagerly upo
a. the larvae of other species of mosqu
toes. For this reason experiments al
being made to determine If the ne,
/: mosquito will thrive in the climate c
- southern New England 1t has recel,
ed the name of EucOrethra Unde
II wood. Its manner of disposlng {
Re the larvae of other mosquitoes is ca
81 culated to make sufferers from recer
y mosquito bites gleeful. 1.-THE victil
is caught" says Doctor UnderwOO.
shaken violently few times, an
"a swallowedr'
- New Rock of Ages"