3rd Rock Nerd Nook
3rd Rock Nerd Nook
Every 3rd Rock article, sorted by what it covers. Posts that span topics appear under each one.
SPF, UVA & UVB: The Science Behind the Green Line
When shopping for sunscreen, most people look at one thing first: the SPF number. SPF 15, SPF 30, SPF 50—higher must be better, right? Not necessarily.
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