The Ohio Democrat. (Logan, O. [Ohio]) 1886-1906, 1888-01-28
SCIENCE AND INDUSTRY.

Few people carry the head erect;
that Is TO say. perfectly balanced on
the end Of the spine, like the end Of a
walking-stick. 1t Is always leaned to
one side or the other.
Missouri copper mines that have
been lille for two or three years are be-
ing operated, and valuable bodies OF
ore are being opened up. Foreign
capital has recently taken hold OF
several neglected mines.
The higher of the two peaks OF
Kilimanjaro, the loftiest mountain In
Africa, has just been assembled by DR..
A. Meyer, of Leipsic, who places its
height at nearly 10000 feet.
The hypothesis has lately been ad-
vanced that IL sounds do not actually
possess colors, that sound is ut least in-
timately connected with color; and this
idea is supported by the fact that
"there are persons who are endowed
with such sensibility that they can not
hear q sound without at the same time
perceiving colors.''
"A noted archmologist who has been
exploring the ruins of Uxmal, Yucatan,
claims to have discovered the remains
of three dead cities, tho vestige of the
first being many feet down, on the
same site. The relics indicate civiliza-
ton much superior to that of the pres
ent day, and that the city must have
fourished twenty thousand years ago.
Prof Sachs, the great German bot
anist, has discovered that the ultra vio-
let and invisible rays of the solar spec
trum especially promote the develop,
ment of flowers, the growth of which
is exceedingly feeble when the rays are
suppressed, although that OF the other
parts of the plant is very luxuriant.- -
Public Opinion.
Are shooting-stars ever the cause
Of mysterious tiresP This question is
suggested by Mons. Charles V. Zenger,
of the Paris Academy of Sciences. who
thinks that forests. and even buildings,
may have beon set on fire by burning
metcors. Investigation shows that
many fires, the origin Of which could
not be explained, have occurred at the
seasons of periodical showers of shoot
ing-stars.
-Starlish have done great damage
this year to the oyster-beds of Fair Ha.
ven, Conn. Some entire beds. valued
at 800, 900 each, have been destroyed,
and it is estimated that $500, 900 worth
of damage has been done. To meet the
undoubted demand for something to
destroy the stariish. Yankee has in.
vented dredge which takes the star.
fish and leaves the oysters, and several
owners of beds are using it.
Magnesium, the metal which pro
duces such an intensely bright ligh,
while burning. and which has been
most generally used in ri6bon-shaped
strips, is now being made use of for the
purposes ofinstantaneous photography
For this magnesium powder is now
manufactured. which. when ignited by
the electric spark, makes a brilliant
and instantaneous flash. The subject
having been posed and the camera az.
ranged, the powder is ignited, and AT
instantaneous photograph is the result
The scant crop OF potatoes this las
year suggests the inquiry whether WI
do not depend more upon this article
| of diet than its nutritive value warrants
We are apt to think it Indispensable il
some form, ut least ut breakfast ant
dinner, and yet the ratio of cal bonace
Gus or heat-producing matter it con
tains is nearly twice rs greatin proper
tion to the nitrogenous matter rs j
should be to constitute a pcrfcctl.
healthful food.