Human guinea pigs about to embark on world’s first 20-hour airline flight

FILE PHOTO: Two Qantas Airways Airbus A330 aircraft can be seen on the tarmac near the domestic terminal at Sydney Airport
INTERNATIONAL – For decades, travelers have stoically endured jet lag as an unavoidable menace on long journeys. 
Now, as airlines push for record-breaking non-stop flights halfway around the planet, efforts to counter the debilitating symptoms are turning into a billion-dollar industry.
Fresh insight into the physical and emotional toll of ultra-long haul travel should emerge this weekend when Qantas Airways Ltd. flies direct from New York to Sydney. 

Source: iol.co.za