Lincoln County leader. [volume] (Toledo, Lincoln County, Or.) 1893-1987, 1904-01-01
|kNx@Cience7
:: ss.z:za1Vention

|
One Of the most durable wood.
sycamore. A statue made from T.
in the museum of Gizeh at Ca,ro
known to be nearly 5000 years ala
Notwithstanding this great age n T.
asserted that the wood itself IL
tirely sound and natural in annos4
nee ~
A new fuel is being Manufacture
In California which is made froS
twigs and leaves of the eucalvntna
tree mixed with crude petroleum ~
is said to burn freely and give GOA
results. Piles made from this troe +. y
immune from attacks by the teredo
and last longer than yellow pine. nv
demand for them is greater than ths
supply.
An innovation in the line of railrooa
telegraph service has been put into
use on the New York Central Railroad
between Utica and Albany. By tha
means of the apparatus a single ,v,r0
can be used for telegraph and telo
phone messages at the same timo
While the operator is ticking awav
a telegraph in Morse code another nor.
son can telephone a message without
the slightest interference.
In a recent report on the results n,
extended measurements of mento,
traits in the two sexes, Prof. r. T.
Thorndike said that in the measure.
ment Of abilities the greatest differ.
ence found was the female superiority
in the tests of impressibility. such 40
the rate and accuracy of perception
verbal memory and spelling. In these
matters only about one-third of tbe
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. PROBES.
sor Chittenden Of the Sheffield Scien.
tiic 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 to
health, and defeats the very objects
aimed at.
electromagnetic promise to come into
common use for lifting heavy pieces
of iron in factories and rolling mills.
Instead of the present hooks and
chains q large piece Of metal Is sus-
pended above the iron or steel object
to be fitted, a current is run through
this, rendering 1t magnetic, so that it
simply picks up the object and holds
1t until the current is turned off. A
magnet weighing $50 pounds can carry
a load of five tons. The time required
for fastening a load to a crane by the
present methods is estimated to rep
resent one-half the cost Of handling
the material, so that great saving in
handling material is apparent. There
Is a number of these electromagnetic
now in use at different steel plants.
If We must have mosquitoes at all,
people will regret that the new species
of these insects which DR.. William L.
Underwood has discovered Is a native
OF the Maine woods instead of more
populous parts Of the country. For
this mosquito does not bite, although
1t Is so large that If 1t were given
to biting 1t would be a terror; and
moreover, its larvae feed eagerly upon
the larvae of other species of mosqui.
toes. For this reason experiments are
being made to determine If the new
mosquito will thrive in the climate Of
southern New England 1t has recelv-
ed the name Of Eucorethra Under.
wood. Its manner of disposing of
the larvae of other mosquitoes is cal.
culated to make sufferers from recent
mosquito bites gleeful. "The victim
Is caught" says Doctor Underwood,
shaken violently a few times, and
swallowedw