In the Milky Way, about 1 in 5 stars that are like our sun in size, color and age have planets that are roughly Earth's size and are in the habitable zone where life-crucial water can be liquid, according to intricate calculations based on four years of observations from NASA's now-crippled Kepler telescope.
Varying Incline. Varying the incline is another option for interval training using a good treadmill. Exercisers that want to vary the incline for interval training should still start with a warm up period, which should be a walk or slow jog at an incline of 1.0.
3-Day Forecast. Interval training exercise could be a fountain of youth. (WXYZ) - A National Institutes of Health funded-study may have found the secret to staying young. Itâs a type of exercise called interval-training and scientists say it may have anti-aging benefits for older adults. Two age groups participated in this study â 18 to 30, and 65 to 80 years of age.