The following website and video provides very useful information to help determine if Vitamin D can be produced from sun exposure based on your geographic location and the sun's angle.
The website is http://aa.usno.navy.mil/data/docs/AltAz.php and in the table the altitude needs to be about 50 degrees.
HW, do you mean something like tan through clothing?
OMG Nate ! How cool is that ?? Thanks for posting that site !
Great, Nate! Thanks for posting.
All fruits and vegetables have antioxidants that help combat cellular damage from things like sun exposure. The darker the colors, the more the antioxidants. So it's not just tomatoes, it's all fruits and veggies! Lucky us. :) Eat the rainbow.
Aw...thanks! Back at ya!