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Melinda Gates on why the idea of too many people in the world isn't the problem we think it is.

True or false: We can prevent having too many people on the planet by making sure more kids stay alive on the planet.Are you kind of like ... huh? More kids? What kind of question is that? Fair enough, it does seem odd. But here's an approach to the answer that just might leave you saying, "Whoa, that makes a lot of sense!"

Melinda Gates on why the idea of too many people in the world isn't the problem we think it is.
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SOURCE: iSTOCK

Usually the greatest fear after a wild night of partying isn't what you said that you might regret, but how you'll look in your friends' tagged photos. Although you left the house looking like a 10, those awkward group selfies make you feel more like a 5, prompting you to wonder, "Why do I look different in pictures?"

It's a weird phenomenon that, thanks to selfies, is making people question their own mirrors. Are pictures the "real" you or is it your reflection? Have mirrors been lying to us this whole time??

The answer to that is a bit tricky. The good news is that there's a big chance that Quasimodo-looking creature that stares back at you in your selfies isn't an accurate depiction of the real you. But your mirror isn't completely truthful either.

Below, a scientific breakdown that might explain those embarrassing tagged photos of you:

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