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2014 Ferrari F12 Berlinetta

Most cardiologists and physiologists maintain that a human's maximum heart rate is calculated with a mathematical formula: subtract a person's age from 220. But some leading doctors are now questioning the established academics, which trace their origins back to 1970, claiming that a simple formula isn't accurate for people of all ages, in particular those who are older. Rather than endorse the time accepted calculation, this progressive group argues that maximum heart rate equals 208 minus 0.7 times age.
While medical science continues its debate, I recently discovered a more elementary approach that disregards age and physical condition, and it requires no math.
To reveal a human's true maximum heart rate, I propose strapping test subjects into the driver's seat of a Ferrari F12 Berlinetta and then firing up its ferocious V12.

Ferrari F150 Enzo-successor takes some loud laps at Fiorano

From recent spy shots to leaked information, we're starting to get a good idea about just how amazing the unnamed successor to the Ferrari Enzo will be, but now we've finally gotten to see some video of the car testing at the Fiorano Circuit in Italy. This video not only gives us an earful of the car's screaming engine and rumbling exhaust note, it also affords us a view of the car without its fish-face camouflage that it has been caught wearing recently.
The video shows the new supercar testing around the 12-turn, 1.877-mile track with an Enzo, and it is interesting to hear the differences between the 651-horsepower Enzo and its reportedly 950-hp hybrid successor. Scroll down to watch the newest Ferrari going through some track testing, and be sure to turn your speakers up.

Stellantis will enter joint venture with Samsung SDI for EV batteries

SEOUL — South Korean battery maker Samsung SDI Co Ltd and global automaker Stellantis NV have agreed to jointly produce electric vehicle (EV) batteries for the North American market, a person familiar with the matter said on Tuesday. Samsung SDI, an affiliate of South Korean tech giant Samsung Electronics, already has EV battery plants in South Korea, China and Hungary, which supply customers such as BMW and Ford. "The two companies (Samsung SDI and Stellantis) have struck a MOU (memorandum of understanding) to produce EV batteries for North America," the person with knowledge of the matter told Reuters. The source spoke of condition of anonymity because of the sensitivity of the matter. The person said the location of the battery joint venture is under review and will be announced later. In July, Reuters reported that Samsung SDI may build a battery plant in the United States, citing a company source. South Korea's Yonhap news agency earlier reported the two companies plan to build a factory in the United States, citing industry sources. Samsung SDI and Stellantis did not have immediate comment when reached by Reuters. Stellantis on Monday struck a preliminary deal with battery maker South Korea's LG Energy Solution (LGES) to produce battery cells and modules for North America. Shares of Samsung SDI were up 2.6% as of 0300 GMT, versus a 0.6% rise in the KOSPI benchmark index. Related video: Green Alfa Romeo Chrysler Dodge Ferrari Fiat Jeep Maserati RAM Citroen Lancia Opel Peugeot Vauxhall