A burnt out refrigerator light bulb can be incredibly inconvenient, but you can't just replace it with any off-the-shelf bulb ...

A light bulb is just a light bulb, right? Not so fast. Your standard light bulb isn't a good fit for your oven if you need a ...

Both UVA and UVB rays can damage your skin, just in different ways. One causes premature aging, the other is more prone to causing sunburn, DNA damage, and skin cancer.