Your skeleton serves as a calcium bank account for your body.
While we humans get concussions pretty easily, bighorn sheep slam their heads into each other all the time without ill affects. How is this possible?
Have you ever noticed that when you hear your own voice on tape it doesn't sound like you?
Anyone who spends an extended period of time in space faces serious medical problems due to the near total absence of gravity.
Did toxic tar balls cause the health problems associated with the Chumash people?
Scientists have discovered million-year-old evidence that our ancestors may have been cannibals.
Until very recently, humans tended to reproduce before reaching full adult maturity, as did the dinosaurs. Learn more on this Moment of Science.
Astronauts and people on bed rest can experience gradual bone loss that increases their risk of fracturing a bone. Here's why.
Your step the wrong way off a curb and sprain your ankle…or is it a strain? A strain is when you badly stretch or tear a muscle. A sprain is when you stretch or tear ligaments, or part of a ligament. A Moment of Science.
Are you familiar with the La Brea Tar Pits? Learn more on this Moment of Science.