Is fire a solid, a liquid, or a gas? – Elizabeth Cox:

What would happen if every human suddenly disappeared? – Dan Kwartler:

Should you trust unanimous decisions? – Derek Abbott:

The amazing ways plants defend themselves – Valentin Hammoudi:

Can animals be deceptive? – Eldridge Adams:

The language of lying — Noah Zandan:

How the food you eat affects your brain – Mia Nacamulli:

The psychology of narcissism – W. Keith Campbell:

What makes a hero? – Matthew Winkler:

8 traits of successful people – Richard St. John:

What are those floaty things in your eye? – Michael Mauser:

The Infinite Hotel Paradox – Jeff Dekofsky:

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