Confused by what date labels on food products mean? Us, too. So we looked into it.

Have you ever wondered what on Earth all of those "best before," "sell by," and "expiration" dates sprinkled on products actually mean?

Go into any grocery store, and you’ll be confronted with different dates on all kinds of food. Not only are there "best before" dates and "sell by" dates, there are also "harvest" dates and "shipping" dates, to name just a few.

If you’re simply trying to buy food that’s as fresh as possible, it’s hard to know what to pay attention to or what dates to trust.

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Ad Council - Save The Food

Incredibly, zebra finches have started warning their babies about global warming.

More and more, we humans are having to come up with solutions to beat the heat.

With the hottest summer in recorded history currently underway, we've been doing everything we can — installing AC units, taking multiple cold showers a day, and even attaching fans to our cell phones and converting our refrigerators into air conditioners. Whatever it takes.

I know, right? Photo by Spencer Platt/Getty Images.

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