This week's questions
Why do we get a sore throat when we eat sour grapes?
K. Badrinath, Chennai
Why do people feel sleepy after having a meal?
Saqeeb. U.R. Rahaman, Hassan, Karnataka
Is it true that the blood grouping in a family comprising parents and children will not be alike? If so, how and why?
N. Ramamurthy, Chennai
Why is a crackling sound produced when water is mixed with heated oil?
R. Saranyaraj, Coimbatore, Tamil Nadu
Why are earthquakes and volcanic eruptions common in Japan?
Remya Venugopal, Alleppey, Kerala
Readers can send questions/answers on science and technology for the Question Corner along with their names and address to the following email id: firstname.lastname@example.org or to The Editor, The Hindu (Science and Technology), 859-860, Anna Salai, Chennai 600 002.
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