As news of a second patient entering remission makes headlines, we take a look back at the first time doctors vanquished the virus.
A few rule changes have helped close the gap between how likely black and white Americans are to get a kidney transplant in a time of need.
Our current system is failing dramatically because altruism isn’t a sufficiently motivating force to give up an organ. We need to test incentives, to reward people who are willing to save the life of a stranger through donation.
Using game theory and market-design software, doctors are arranging kidney-transplant 'swaps' — sometimes in long chains — to give more people with renal disease better transplant options and healthier futures.