Bob and Brad discuss how to tell if your knee pain is bursitis, including suprapatellar, prepatellar, infrapatellar, and pes ...

In ever-changing field environments, conditions can shift rapidly, eroding the best-laid plans with little time to react.

In a Columbia University laboratory in New York, physicist Sebastian Will and his team have reached one of ultracold physics’ ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech ...

Salvage yards often document the mileage of major parts, and a mechanic should inspect a used transmission before ...

To avoid an infection, do not pop or pierce blisters. Wash the blister area gently with mild soap, keep it clean and dry, and cover it with a clean bandage to relieve pressure. Most people have had ...

It can sometimes be tricky if you’ve leaked amniotic fluid or urine. Amniotic fluid is clear and white-flecked, with no odor. It will typically soak through underwear. Urine is yellow and odorous.

Someone who is fluid -- also called gender fluid -- is a person whose gender identity (the gender they identify with most) is not fixed. It can change over time or from day-to-day. Fluid is a form of ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...