The Eaton Democrat. (Eaton, Ohio) 1875-1903, 1882-03-02
POPULAR SCIENCE.

ARTIFICIAL essence of almonds may b<
made from benzine.
EVIDENCE is brought to prove that the
antiquity of man can not be less than
200, 600 years. ;9sz35Fali
THIRTY per cent. of forest is considered
the best proportion for the most bene-
fetal effect on climate. 5sz-
AaAssIz says The pupil studies
nature in the school-room, and when he
goes out of doors he can not find her"
STRYoHNIA acts only on certain por-
tions of the spinal marrow, and opium
on parts of the cerebrum.
NEXT to the diamond, the ruby is one
of the most remarkable stones for the
exhibition of phosphorescence under
electricity. ss,ss5ys.
In COLD water frogs viii breathe en-
tirely by the skin, and can not be killed
by immersion as long as they are pro-
| yided with food.
MANY butterflies take no foodand have
no digestive organs. The eating and
storing of nutriment was performed In
the earlier larva state. .e1
In FOREST beds near the delta of the
Mississippi are found cypress trunks
twenty-five feet In diameter, and one
containing 5, 700 annual rings.
/ REMARKABnE transformations have
been made IN the Algerian Sahara by
irrigation. Under its operation sol
has been formed in which plants grow
with great vigor.
By AN experiment. made with chest
nut tree thirty-five years old, to calculate
the amount of moisture evaporated from
tie leaves, it was found to lose sixteen
gallons of water in twenty flour hours.
THE vegetation on Behring Island is
exceedingly luxuriant The sea in the
neighborhood is especially rich in alge.
Forests of it from sixty to one hundred
feet high render dredging exceedingly
difficult in some localities.
AS A test for the coloring matter IN
red wine it is found that, on mixing an
equal quantity of nitric acid with the
wine to be tested, the color will remain
unchanged for hours, If the wine be
pure, while if artificial, it is changed in q
minute. sif
By registering apparatus, contrived
for the purpose, the frequency of the
wings of the different insects has been
determined. It is found that while the
common fly vibrates its wings $50 times
per second, the honey-bee makes 100
strokes, and the dragon fly only twenty
eight.
IT Is maintained by some scientists
that the aroma of fruits increases with
the latitude, while the sweetness de-
creases Many herbs, such as caraway,
arericher in essential oils in Norway than
in more southern regions. This effect is
1 10 fhn inf of 6a
longed light Of the summer months.
ATTEMPTS have been made in Spain to
substitute orange for grape juice in wine
making. Four kinds of wine, one .
sparkling wine, have been successfully
produced. They are all of an attractive
color, perfectly clear, of an agreeable
! sweet, slightly acid flavor, and Of an al.
coholic strength Of about fifteen PEI
cent.
TIE effect of lightning on trees near 9
telegraph wire is thus described by
French saudnt: "The line under obser
walton runs east and west. OF the pop
lars bordering on the road those on thu
north side suffered most, those on thu
other side being rarely struck. Eight.
out of 500 trees were destroyed. Th,
instances multiplied with increased ele
walton, and in the plateau at the highes
point of land reached the maximum
The injury was mostly opposite an,
under the level of the wires. It is sup
posed that while the wire is strongl
electrified by induction, the ightnin
does not strike it, but strikes the neigh
boring poplars directly, which, wet wit
rain, afford an. easier passage for th
i electric fluid to the ground"