Topics from May 2017
- Why do we hiccup?
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- Why do we get tired?
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- What determines the sex of a child?
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- How are we able to speak?
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- How do the ears detect sound?
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- How do female mammals produce milk?
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- Why is the blood red?
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- Why do tears come out while weeping?
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- What makes people sneeze?
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- How is urine formed in our body?
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- Why do some people snore during sleep?
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- How do we breathe?
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- Why does the human skin have different colours?
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- What is roundworm infestation?
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- Why does the blood group vary from person to person?
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- Why do some people become deaf?
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- Why do we feel thirsty?
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- What is pulmonary tuberculosis?
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- How are twins born?
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- How do we digest food?
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- How does the nose detect smell?
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- What causes headaches?
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- Why is cutting of nails and hairs painless?
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- What are the common eye disorders?
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- Why does our body stop growing after a certain age?
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- What causes pneumonia?
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- Why are some people left-handed?
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- How do muscles work?
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- How do fish breathe inside water?
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- How are bats different from birds?
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- How does a wall lizard get rid of its tail?
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- How does a firefly glow at night?
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- Which are the warm and cold-blooded creatures?
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- Can animals identify different colours?
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- Why lion is called the king of the beasts?
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- Why is the colour of leaves green?
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- Why insect bites are dangerous?
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- What are mammals?
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- Why don’t spiders get caught in their own webs?
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- Why do trees shed their leaves?
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- Why do camels have humps?
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- Why do flowers have fragrance?
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- How do we estimate the age of a tree?
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- Why are some fruits sweet while others are sour?
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- Why do elephants have trunks?
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- How do bees make honey?
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- How fast can animals run?
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- Which medicines are obtained from animals?
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- How does a chameleon change its colour?
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- What is the difference between fruits and vegetables?
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- How did life begin on earth?
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- How do parrot and myna speak like us?
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- Why do we perspire?
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- Why do we resemble our parents?
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- Why do women have a sweet voice?
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