The eye chart with the big "E" on top is called a Snellen Chart.
If you learn just ten words of Old English this month, let them be these.
We've rounded up some tidbits about the classic bar fight film that taught us "pain don't hurt."
We sometimes think of evolution as a thing of the past, but it continues today, especially as environmental pressures force humans and animals to adapt to survive.
Memorial Day is more than just a three-day weekend and a chance to get the year's first sunburn.