For many people under 24, sleep deprivation is nearly impossible to avoid. New research suggests that sleeping in on weekends isn’t a waste of time, but can actually benefit young people.

Batman enters the train, and suddenly kindness rises. In one study, a pregnant woman was almost twice as likely to be offered a seat.

One hiked the Appalachian Trail and overcame several setbacks. The other one learned to swim at 59 and now finished the Ironman Kona as the oldest woman ever.

Good news of the week: An endangered whale species is recovering in the North Atlantic, a sea turtle is no longer considered endangered, and young elephants could soon be protected from a deadly disease with a vaccine.