There is a warm, happy glow radiating from Wall Street these days that may have to do the with the money coming in during this golden era of mergers and acquisitions. This year, firms have spent $1.5 trillion buying U.S. companies, the most of the millennium so far, according to Thompson Reuters. More on that. And nearly 3 million children are homeless at some point during the year, according to a new report. California has by far the most homeless children, and not just because it’s the biggest state – it has the highest cost of living and the smallest share of affordable housing. Plus, drinking from the fountain of youth can sometimes be hazardous. More recently, people are trying everything from red wine pills to cream made out of snail slime to try to stay young. We take a look at some of the research behind the business of anti-aging.