CEOs get $800,000 pay raise, leaving workers further behind

Did you get a 7% raise last year? Congratulations, yours was in line with what CEOs at the biggest companies got. But for chief executives, that 7% was roughly $800,000.

* This article was originally published here

Comet inspires chemistry for making breathable oxygen on Mars

Science fiction stories are chock full of terraforming schemes and oxygen generators for a very good reason—we humans need molecular oxygen (O2) to breathe, and space is essentially devoid of it. Even on other planets with thick atmospheres, O2 is hard to come by.

* This article was originally published here