The 400PT is a heavy monster that won't slide around the floor and it has cutting-edge electronics that measure heart rate, calorie burn and power output by the watt.

FORBES: Commentary

As anyone who has endured heartburn knows, it has nothing to do with the heart--but the burn part is very real.

FORBES: Magazine Article

All rely on catheters hollow tubes that let doctors burn away and reshape heart tissue or correct defects through small holes in blood vessels.

NPR: Heart Repair Breakthroughs Replace Surgeon's Knife

They make record time in a fleet of small cars, ambu-cycles, ambu-tractors and ambu-boats -- all equipped with heart defibrillators, breathing tubes, burn wraps and maternity kits.

CNN: Saving 40,000 lives in under 3 minutes

But sadly, as your heart rate rises and that familiar burn permeates your muscles, the self-assurance you seek remains elusive, replaced instead by a silent war that wages within your brain.

FORBES: Five Years After A Brain Aneurysm, Fear Of Dying Can't Make Me Quit Living

So, if you have boatloads of cash to burn and you have your heart set on the best of the best, that's not reason enough to spring for Sony's impressive engineering feat.

ENGADGET: IRL: Sony's Cyber-shot DSC-RX100 and the full-frame RX1

When a drug is likely to cause a severe side effect--say, an increased risk of heart attack, an allergic reaction that causes the skin to burn or liver failure--the standard practice is to warn patients and doctors about the product's labeling, and to send out warning letters to physicians who might prescribe the medicine.

FORBES: FDA Fix No. 5: Forget Labels

Slash and burn agriculturalists, hunters and fishers, the Mayangna live in the heart of the Mesoamerican Biological Corridor.

UNESCO: Local and Indigenous Knowledge Systems