Topics from July 2017
- What is blood pressure?
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- Why do some people have a squint?
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- What is the Iron-lung machine?
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- What causes asthma?
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- What is physiotherapy?
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- What are the functions of arteries and veins in our body?
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- What is electrocardiography?
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- Why don’t people have identical voices?
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- What causes leprosy?
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- What do we mean by right-eyed or left-eyed people?
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- What is blood cancer or leukemia?
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- What happens in our brain?
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- What is immunity?
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- How do we see distant objects with binoculars?
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- What is the Theory of Relativity?
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- How is an automobile’s speed measured?
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- How is electricity conducted through wires?
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- How does an automobile engine work?
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- What is a periscope?
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- How can the temperature of stars be measured?
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- What are the different types of thermometers?
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- How does a video-tape recorder work?
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- How does a microphone work?
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- What is a Mass Spectrograph?
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- What are Quasars?
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- How can we extinguish fires?
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- How does a polaroid camera take instant photographs?
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- Can light travel through wires?
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- What is stereophonic sound?
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- What is an Atomic Clock?
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- How does a film projector work?
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- What are quarks?
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