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This week's questions

Updated - April 07, 2016 02:33 am IST

Published - December 03, 2014 11:45 pm IST

Why is the ozone hole concentrated over Antarctica?

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Ananthu Krishna, Kochi

Crocodile is stronger in water than on land. Why? 

Mr. A. Pichai,

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Thanjavur, Tamil Nadu
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Why does milk boil over after heating but water does not?

Naveen Thakur

Why does our left brain control the right part of our body and our right brain control the left part of our body?

Varshini, Hosur, Tamil Nadu

What is the science behind the emergency braking system in trains?

C.Mathangi, Chennai

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