Talk about a bizarre feature of the human body: If you happened to swallow a razor blade, your stomach acid would dissolve it. Acids are ranked on a scale from zero to 14—the lower the pH level, the ...

The NASA Hubble Space Telescope, which is hundreds of miles above the Earth, has been taking incredible pictures that help with future studies and research. But to learn more about the telescope. Here ...

Did You Know: Water is made up of H₂O molecules that are polar, meaning they have a slightly positive side and a slightly negative side. This polarity creates strong cohesion, causing water molecules ...