Visual explanation of menstrual cycle length and variability

We keep getting bigger. Watch overweight and obesity rates move up over several decades.

Articles about stay-at-home dads and parents with even work loads might make it seem like dads are putting in a lot of hours in the household these days. Are they? How do they compare to moms’ work hours?

From the teenage years to college to adulthood through retirement, sleep is all over the place at first but then converges towards consistency.

The Beer Judge Certification Program lists 100 styles of beer. Here’s a chart for all of them.