Emily Haley inherited her father's fair complexion, and always wore SPF. She knew skin cancer was a risk but when a spot ...

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.

Step aside electrochemical batteries? This betavoltaic cell could generate power for years, but there are some major ...