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Do crossbreed dogs live longer than purebred?
Kindly answered by Dr Sam Khan. Vet and resident professor, University of Cambridge.
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Why do people often smile when nervous?
Kindly answered by Graham Reid: Psychologist and PhD student, University of Oxford.
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How did Napoleon die?
Kindly answered by Dr Saul Yardley. Saul is a military historian and PhD graduate from the University of Cambridge.
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How do rollercoasters stay on the tracks?
Kindly answered by Tejo Jehart. Tejo is a PhD mechanical engineering student at the University of Oxford.
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What are tariffs?
Kindly answered by Mikkel Weimann. Mikkel is a PhD economics candidate at the University of Cambridge.
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Can a company like Amazon feasibly make deliveries with drones?
Kindly answered by Tejo Jehart. Tejo is a PhD mechanical engineering student at the University of Oxford.
