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/u/livedog's posts

Twenty years ago SPF 15 was the best sun-screen, and today it's 120. Has sun-protection improved that much or just marketing. Also, how does it work?

179 upvotes • r/askscience
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Why is the weather so hard to predict?

17 upvotes • r/askscience
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Which vitamins and supplements are scientifically proven and witch are just new age?

10 upvotes • r/askscience
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[tourist question]: How do you pay a parking fine?

3 upvotes • r/latvia
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Does a computer get slower with time. Or just our perception of it? If so, why?

3 upvotes • r/askscience
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Before I die I want to go to space. Is anyone working on the Space elevator, the Mass driver or the Launch loop?

2 upvotes • r/askscience
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Let's say another civilization's Voyager like craft would pass our solar system...

1 upvotes • r/askscience
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On the moon, could you actually see a solar storm hit the surface?

1 upvotes • r/askscience
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What's the hardest most durable paper-like material that's commercial available.

1 upvotes • r/askscience
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Colonies on the Moon and Mars; can the human body handle the gravity?

1 upvotes • r/askscience
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