predict

Because experiments in individual cells cannot always predict what will occur in more complex systems, the researchers advanced to a more sophisticated model.

"If patients are undergoing a procedure that we know puts them at high risk of AKI, then we can better predict whether or not they're actually going to have one," Nicholson says.

It predicts flight delays—and explains why flights are delayed.

But definitions vary, and for other experts an annual rate of 500 percent, such as predicted by the IMF, already amounts to hyperinflation.

“Whether or not people will keep buying as much stuff is very hard to predict,” said Devashish Mitra, an economics professor at Syracuse University who researches trade.