ScienceInsights

Tortoiseshell cats are almost always female because of how orange fur is coded on the X chromosome — and what happens when two copies interact.

Certain foods like berries, citrus, and fatty fish contain nutrients that support vein wall strength and healthy circulation. Here's what the science says.

Epicondylitis causes tendon pain at the elbow, not just in tennis players. Learn what's actually happening in the tissue and which treatments work best.

Learn what the Rh factor is, how anti-D antibodies form, and why your Rh blood type matters during pregnancy and blood transfusions.

Learn what cardiovascular disease is, what puts you at risk, and which warning signs you should never ignore.

Community psychology focuses on improving mental health at a social level rather than one-on-one. Learn its core values, methods, and how it shapes real programs.

Yarrow, ylang-ylang, and peppermint oil can help repel fruit flies. Learn which essential oils actually work and how to use them safely at home.

503B pharmacies are FDA-regulated outsourcing facilities that supply hospitals with bulk compounded medications, especially during drug shortages.

Learn what the PCL does, how tears happen, and what treatment options exist for this common but often overlooked knee injury.

Adding oil to baby food supports healthy development. Learn which oils are safe, how much to use, and when to start introducing them.