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4A Thursday,
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Monkey 1
Of Giyirtg Bat? fo
Another &3o?
Service) - Although
cannot talk, oba
able to communiea
informatiorCo acfcte
kev. This was d
scientifically et ttaW
of Wistebnsin here.
The mgnkey flf wfr
sigech to sRaro h SM9i
just how he act nnLkH
has noP yet bgn attai. fn
results o tt9a fnpntof
swin that MiltrtMigtti
conveyed ra Jiijwfr
scientifftb joamal Imaest
fr. William0 A. Qw SHT
cfRSogist, who TKf fctoV
6ersitv of VSetaM otca
Atudy was iftwja.fk. (Rgam'fe
how a the Yei
, tprfes of Primefe
planto repeat the
with chimpanzees.
Warkt in Pairs
In Sr. Wasot'j i!
18-mongri-oia rnegus u
worked in pairs, dftwd ee
placed In one of a ngmfcM
food carts mounted oj fi
runways on a t)le tte
the cages of the two mobky
One animal of eachfair, oll
ed bjr Dr. Mason The '$pfca
tor" had to pull in the lcfcdfcd
cart and then both animak
were rewarded Bytne tasty
morsels. During the triaL the
food containers were so ar-4
ranged that the operator could
notee the food but hjj part
ner the "informant," could.
If the informant did not pass
nn this information tahe op
erator, success in pulling in I
the right cart was reduced too
the level of cnance. men
neither animal could at
much. '
Gacturec Obf erred
The informant did not give
the information to his partiftr ;
O in any spoken language, Dr.
' Mason xoia iscicuw
Gestures were oaservea dux j
were not recorded in this pre-1
Uminarv exoerimeni. uarius
anrf rails were alio observed
One way the informant got
across the information to his
partner was by positioning nw
body opposite the food-loaded
rt The informant's position
gave the operator the clue be
needed and he pulled in the
right cart. Then bch animais
ate. .
' To make sure that the op
erator was not acting on some
cue other than those given
. him by his partner? each op
j erator was given 48 control
trials when the informant was
nrpsent. For everv opera
tor, without the help of the in-
formant, performance droppea
in chance levels.
Aftor 480 trials, the opera
tor and informant roles were
rpvprsed and the operator be-
"carne the informant, the in
formant became operator. Al
though performance) at the
"start of this second phase ox
the experiment was somewhat
than It Viari hen at the
UCIVCI ' w
beginning of the fhflt phase of
the experiment, the improve
ment was not statistically sig
nificant. 0
Castro Attacked, o
By Newspapers
Havana -CliPD- Paemieridol
r astro was undes an tmprSce-
dented heavy attack fro
major independent Havana
newspapers Wednesday for his
Wominpintinnn of the Cuban
press and newsmen who criti
cized his regime.
Tf was the first time since
Castro led his revolutionary
nrn into oower last 4Tan. 1
that the press has openly tak
en such strong exctpuui
his remarks.
Th war of words was
toucnea on ay " ii
cisms during a long nation-
wide television appearance
Monday night.
There were rumors that the
Havana newspaper Diario de
i -mir : . imatll4 mih-
lication because of the attack j
by Castro. But spokesmen said J
; the newspaper, would publish m
. today and carry a full reply to
I Castro charges.
Longest Aluminum Pipe
Laid in Veneiuela
Houston, Texas (Science
" Service) - What is probably
the longest aluminum pipe
ever made will be laid in
Lake Maracaibo, Venezuela,
as a suction line for a fire
protection pump. : The pipe,
16 inches in diameter and
1,800 feet long, will have a
normal capacity of 2,000 gal
" Ions of water a minute. This
water will be delivered to a
fire protection system on a
' tank farm of the Superior Oil
' Company. Aluminum was
chosen because its corrosion
resistance permits installation
without a protective coating
or wrapping. The Reynolds
Metals Company here will
supply 23,700 pounds of alloy
aluminum for the pipe.
Twenty-five years ago can
cer was the sev "ause of
death. Now it is setuud.
1)
Pc
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