Show By Dr NEA E. Service Son WASHINGTON The The O The earth parth Is slowing down says S a a. recent pub pub- publication publication of ot tho the Smithsonian institution In In- In But there Is little danger dan danger ger of ot a 0 cessation of Its rotary y motion for tor tho the rate of ot slowing down Is only o IY thousandth one of ofa a second per century This means a loss los of ot a minute In six million years Scientists Scientist estimate that ages oges and arid ages ago o the tho earth revolved so fast that a aday aday day was three or four hours |