Permethrin kills ticks on contact by disrupting their nervous system. Learn how long it lasts on clothing, how it compares to DEET, and whether it's safe.
Refined vegetable oils are common in modern kitchens, but what does refining actually do to them? Here's what the science says about their safety and how to use them.
Military dogs detect explosives, support special ops, and save lives. Learn what roles they fill, how they're trained, and what happens when they retire.
Hydrops fetalis is a serious condition where fluid builds up in a baby's tissues. Learn what causes it, how it's diagnosed, and what treatment involves.