It's an age old question, which has perplexed generations of deep thinkers: Which came first - the chicken or the egg? Well, we may finally have an answer.
We often hear that certain foods contain iron, but how much iron are we talking about? Enough to see? Well, this experiment with breakfast cereal clears things up a bit.
If you're a coffee drinker, you may feel as though you can't make it through the day without that java jolt. This YouTuber breaks down the hows and whys of caffeine dependency.