Harrison Okene, a chef for an oil company, survived for three days trapped in an air pocket at the bottom of the sea after his boat capsized off the coast of Nigeria. His rescuer didn't think anyone was still alive.
Pacemakers cost thousands of dollars in the US. That's a price that many patients can't afford in the developing world. So researchers and a non-profit organization are working to reuse pacemakers after their owners die.
The US-Mexico border is an unforgiving place, where weather can shift quickly from blazing heat to freezing nights. And even those trying to cross into the US illegally will call 911 when they are scared, suffering and need help.
Nina Sharmin was once a new immigrant from Bangladesh herself, struggling to pay for health insurance. Now, she hits the streets to help other immigrants fill out the 32-page application for Obamacare.