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This week's questions

I added a spoon of curd to a cup of milk and left it for a week after which some small white worms were noticed in the curd. How did the worms come into the curd vessel, which was kept closed?

B.V. Satyanarayana, Visakhapatnam, Andhra Pradesh

What happens inside the human body when it receives an electric shock?

Abhishek Bankalgi, Bangalore

Why do we feel body parts like stomach and throat warmer than other parts?

M.Asha Jyothi, Anantapur, Andhra Pradesh

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