That gap is positive in states where funding of poor districts exceeds that of rich ones, and it is negative where the reverse is true (see Figure 1). (educationnext.org)
Scientists have discovered a rich fossil record of animal evolution going back more than 600 million years and a much richer one of microbial life starting almost 4 billion years ago. (hhmi.org)
The other side that I have seen is that when the portfolio becomes large enough to make 2 people rich one leaves to pursue their dreams without their partner. (biggerpockets.com)