Why do we have a limit on the amount of hand carry liquids when we travel, and how is the fluid limit in airports an effective security measure? How was the TSA formed? Are those full body scanners at airports safe?

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How are scientists so sure that the Megalodon is extinct? Especially since I keep on hearing them say we’ve explored less than 5% of the earth’s deepest oceans? What did they look like? Where did they live? How did they become extinct?

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Why do ships use “port” and “starboard” instead of “left” and “right?” Where did the terms originate? What does “aft” mean and why is it different from the stern? Why do large ships have their anchors in the bow and not the stern or either port or starboard sides? 

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What in energy drinks provides stimulus over and above that from caffeine? Are they superior to coffee or tea? How did Pepsi and Coca Cola start out as energy drinks? Why are their health warning labels on some energy drinks? What are the benefits of energy drinks?

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What happens inside your brain when you inhale nitrous oxide? Why is it called laughing gas? When did we start using laughing gas for medical use cases? Is it safe?

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How do sinkholes happen? What exactly are they? What are Cenotes? Why do sinkholes have so many different names around the world? What is the deepest sinkhole in the world?

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How is GPS free? How is it profitable for companies to offer services like navigation without subscription fees or ads? Why did the US government open GPS up to the public? Why does GPS work even when underground and in buildings? Explain triangulation like i’m 5!

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What is nuclear fusion and how is it significant to us? How is it different to nuclear fission? What is the significance of the recent news that we have reached ‘ignition’ of nuclear fusion?

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Why is there a ring at the end of the opening of a balloon? What creates the noise of a ballon popping? Who invented the ballon? Why do helium balloons shrink in size over time?

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