Show scientific miscellany A zone of country in hungary ra mar kably affected by meteorites in has been kotec by herr E doll of tho the L eight ii art known meteorite falls recorded during I ing the twenty five years up to 1877 six occurred in this region and saW subsequently two more alic energy odthe of alio human heart working day and night while life lasts is enormous during an average working day a good climber can only onty mice r to t o hia his own weight 1000 feet au an hour while the work of tho the heart is estimated to be equivalent to raisin its own weight ten tea ounces feet jeet high in an hour this is 13 about live tunes times the energy of the most pot powerful gerful steam engine ever made during a recent discussion at tho the philadelphia academy of natural sciences c it was doubted that the odors of f insects pro emitted as its a protection from the attacks of enemies cn emic as is genera generally I ay belie believed ved at leaah some of tile odora odors are very agreeable to man than end raid it is by no means certain t ala that scents repulsive to us arc are not delightful to the tile most common enemies of the in inputs inserts cuts emitting them dejoseph dr joseph leidy spoke of some ants having the fragrance of a eucalyptus tree growing near their nest instead of the usual peculiar odor of formic acid an interesting experiment has bu been made in paris by mons hanein A swan incandescent electric lamp was atta attached clied to the inside of a paper balloon about eight feet in diameter the balloon was then filled with hydrogen d n gas and n d allowed to ascend being agte held e arp captive t by a rope containing two copper wires on lighting tile lamp by passing an electric current through the wires tho the whole balloon appeared like A globe of fire by interruptions of the current it was shown that ahe dots and dashes of the morse code could be imitated and the value of such a method of or signaling in military operations will be seen when the distance to which illuminated balloons could bo be made visible is considered the great expense of the multitude of expeditions fitted out to observe the transit of venus across the suns sums face on december ath has been incurred to reduce an uncertainty in the eun sun a parallax parallax of one tenth of a second al although thouc I m more ore than a hundredth part of the whole prof young finds this tenth of a second to be no moro than the angle subtended by a single lair at a distance of feet the most probable parallax may way be taken to be seconds lecon ds which signifies that the sun is miles from us the best authorities admit that this estimate of the parallax made from observations thus far worked out may be inaccurate within the limit ot of one twentieth of a second either way this apparently slight uncertainty however is not to be overlooked as the one twentieth of a ee derond ond corresponds to about half air a million miles As the sulla sun distance from I ho he earth is the unit uni t adopted for measurements among the star stars its accurate determination is a it matter of great creat value to astronomy and the importance l artance of transits transita tran sits of venua venus and k mercury I mercury rests upon hie tile fact f act that they afford afford a means of finding the solar parallax |