Large-scale emergencies can be a strain, even in one of the world's richest countries. Population growth, income inequality and fragile supply chains may make the problem worse.
A cashless society depends on three things, all of which have failed in recent weeks as a result of natural disasters and security breaches.
It may cost more to make a penny than a penny’s worth, but a penny saved may be more than a penny earned.
The courts are saying that down-and-out Americans have a right to seek curbside alms despite efforts to ban the practice. Two scholars have come up with an alternative to anti-panhandling ordinances.
ATMs will need to evolve to remain relevant, perhaps taking on other services entirely.
India's recent move toward a cash-free society helped reveal just how important physical currency is to the informal economies that the poorest families depend upon.
It all began with a newfangled bank machine in Enfield.
You can now pay your way with apps, cryptocurrencies and other digital alternatives. Physical money might one day look like a relic of the past.
ATMs began appearing in churches providing a way for people to come up with ready cash to give to God and their church. But why was cash necessary?
What's on your cash? Studies show our money carries everything from pet DNA and old food to E.coli and traces of cocaine.
Currency first hit the scene thousands of years ago. An anthropologist explains the early origins and uses of money – and how archaeological finds fill in our picture of the past.
Fifty years after the first ATM went into service, the main problem – identifying authorized users – remains the same. But methods for doing so have improved significantly.
Millie, aged 5, wants to know where money comes from. We asked an economist to explain.
The notes in your pocket say they're legal tender for all debts public and private. Are they lying?
Dispensing cash to ensure healthy care for vulnerable children is critical, but it must be supplemented by other interventions to maximise well-being.
The announcement that Harriet Tubman will be the first woman on U.S. currency in more than a century recalls the history of female – and African-American – portrayals on money.
Despite the growth of card and mobile payments, cash is still king in many markets.