Running speed and strength depends on the type of muscular tissue one is born with.
Recent technological breakthroughs help prosthetics operate convincingly like the real thing.
On this episode, we'll journey into the kidneys to find out what makes kidney stones hurt so much.
Some aquatic animals have a sixth sense that allows them to detect electrical fields in water.
Chemical reactions can cause decomposing bodies to twitch, move, and groan.
You probably already know that humans are warm-blooded, while creatures like snakes are cold-blooded. Scientists prefer the terms endothermic and ectothermic.
Anyone who spends an extended period of time in space faces serious medical problems due to the near total absence of gravity.
Now that the iPhone and other smart phones have taken center stage, there's another malady gaining traction... text neck.
Some species use their ears not just for hearing, but for communicating as well.
How tiny stones inside our heads tell us which way is up...