We now have the first scientifically accepted photos of triple and quadruple rainbows. For some, it's as if we've captured a picture of a real unicorn.
Meteorological models see rain ahead for dry Texas and Oklahoma and for soaked Northeast - and maybe tropical storms in Gulf and Caribbean. More active weather coming.
"Networks of cities connected by rural areas form a pattern that we see all over the world," said Christopher Small. "It’s a spatial pattern, but it’s not a simple geometric pattern."
Scientists led by Scripps Institution of Oceanography found forests might be taking up more atmospheric CO2 during photosynthesis than previously thought.