A urease test is positive when a urea medium turns bright pink (fuchsia) and negative when it stays yellowish. The colour change comes from ammonia released by urea hydrolysis, which makes the medium ...

Self-healing concrete bacteria turn crack water into limestone. 2026 lab trials show 23% stronger healing, 90% crack closure.

A cell sitting in fluid looks like one of the most passive things in biology. Nutrients drift toward it on the aimless currents of molecular motion, and now and then one bumps into the right spot on ...

In the "Internal Medicine Paper Pick" magazine, we introduce recently published papers that are must-reads for ...

Simulated solar aging of hydrochar made from pig manure and mandarin peel reduces its dissolved organic matter load while ...

Prostate cancer is the most common cancer in men (after skin cancer) and the second-leading cause of cancer death among men ...

The FDA has now cleared four Alzheimer’s blood tests. A physician explains what each one measures, how accurate it is, who ...

Radiology reports can include words like lesion, nodule, cyst, enhancement or correlate clinically. Learn what they may mean ...

A physician who devises screening guidelines for the American Cancer Society explains the pros and cons of the Galleri ...

Your kidneys play a vital role in keeping your body healthy without you even noticing ...

Brain changes associated with Alzheimer's disease can be detected by a new type of blood test -- and a growing number of patients are asking their doctors about it.