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Fight may have shaped the evolution of the human hand, according to a new study by a US team. The University of Utah researchers used instruments to measure the forces and acceleration when martial artists hit a punch bag. They found that the structure of the fist provides support that increases the ability of the knuckles to transmit "punching" force. Details have been published in the Journal of Experimental Biology.

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यो उद्धारणलाई मूल्यांकन गर्नुहोस्:
2.5 out of 5 based on 12 ratings.

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bassplayerful 9 वर्षहरु,4 महिनाहरु अगाडि
Dreadful performance.

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Score (WPM) यस उद्धारणका लागि वितरण. थप.

यसका लागि सर्वोत्तम अंकहरू typing test

नाम WPM सट्टाई
eventlogging 170.00 100%
lytewerk 133.66 100%
ilovejujubee 118.52 97.5%
gary123 114.29 97.9%
stacey777 104.21 97.0%
jan_londen 104.08 99.1%
kansasjohn 103.72 96.6%
erdrag0n 102.53 98.1%
munchkinbug 95.68 96.6%
digitalis 93.63 97.9%

हालका लागि

नाम WPM सट्टाई
eventlogging 170.00 100%
stimpy 66.31 93.8%
user64811 69.71 94.2%
allison21 81.49 97.0%
cheergirl95 60.60 94.0%
kws-151 40.28 87.2%
dannettagee 15.66 93.8%
hafizsadiq 32.97 97.2%