Earthquakes and seismic activity often happen with sudden movements underground with tectonic plates. Seismographs are used by scientists to measure the time, location and strength of an earthquake.

We know an earthquake is severe when it has a high magnitude number. The 1985 quake that devastated Mexico City was an 8. The quake that shook central Mexico this week was a 7.1. But what exactly is ...

Anxiety is often not an all-or-nothing feeling. Just like other emotions, anxiety exists along a continuum with different levels of intensity. You can picture this continuum using the anxiety ...

Tropical systems tracked by the National Hurricane Center will be classified as depressions, tropical storms and hurricanes based on their intensity. The NHC will label a system a tropical depression ...

Could the way doctors, nurses, and other health care professionals measure a patient’s pain be contributing to the epidemic of opioid addiction? Indeed it could, says an article in this week’s New ...