You know when you first notice something, and then you can’t ever “unnotice” it? A year ago that happened to Zak Brazen when he noticed a pattern in several local communities. He asked Bay Curious

“Why are there colorful dots above the drainage system? And who puts them Read More …

Source:: Newsfix – Science

These Colorful Dots Will Save Your Life 6 April,2017KQED Science

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