This week’s questions

How does eating ginger prevent nausea?

Sriram.G, Bengaluru

Why don’t the fishes living in deep sea not affected by the high water pressure?

Kathula Akhil, Secunderabad, Andhra Pradesh

Fire does not exist in the absence of air but how is it possible for sun to have immense heat and chemical reactions in the absence of air?

Dipanshu Jain, Hyderabad