Punctuated Equilibrium In 1972, paleontologists Stephen Jay Gould and Niles Eldredge developed the theory of punctuated equilibrium, which provided an alternative view of evolution.  Unlike Darwin’s theory of evolution, which requires millions of years of constant, gradual change to create a new species, their theory postulated that species actually change very little over millions of [...]

This morning I ran more than seven miles at a mid nine minute pace. I workout 4-5 days a week for 75-90 minutes of combined weight training and cardiovascular exercise. My blood pressure is a bit high, but my cholesterol and blood sugar levels are both well below cautionary thresholds. My resting heart rate is [...]