It Indepth News Today : Breaking News, Live Updates & Top Stories | Vimarsana

They were credit. they were money. >> that idea of human beings being money, being actual currency, talk about what that looks like. you talk about it indepth in the tempt. >> well, you know, an economist tells through are three categories of -- three things that something has to -- three classes you have to satisfy to be money. means of exchange, retains the value over time. unit of account. slaves were often used to settle a debt when there was no gold or silver around. so they were a means of exchange. they weren't the most common money. you could always sell a slave if you have to. retains...

And selina will live. >> nepal's president, is also a doctor. he says his country is facing a medical calamity never been seen before. he asks for assistance. there is no doubt, nepal need all the help it can possibly get. how soon this end is unclear. as they bring in more patients from more remote areas. likely the bed, the demand for the beds is going to go up. at times they lose power. and there is still the question of after shocks and tremors. every time one happens. do you evacuate patience? do you leave them in the hospital? what do you do? a question they're trying to answer almost ev...