March 14 is Pi Day, which celebrates the mathematical constant measuring the ratio of a circle's circumference to its diameter (beginning with 3.14). Pi Day is celebrated internationally, and in 2009 it was decreed an official holiday by the US House of Representatives. Here are 3.14 ways to celebrate.
The ‘maker movement’ is heralded as a new industrial revolution – combining the spirit of the old shop class with modern tech in community 'Do It Yourself' spaces.
Traditional desalination has meant turning seawater into drinking water. But new technologies not only improve desalination but open up ways to use agricultural water and industrial effluent too.
The sharing economy is inspiring innovative shared housing arrangements: From millennials sharing rented mansions, to baby boomers sharing mortgages, increasing numbers of Americans are opting for a cheaper lifestyle, richer in companionship.