In a novel study, German researchers were able to track how the liquid components of tattoo ink behave in the body. German ...

However, blood ... to purple color. The intensity of the color produced is proportional to the amount of enzyme present, which is related to the number of neutrophils present. If urine is allowed ...

Normal urine color ranges from light to dark yellow due to urochrome, a pigment formed when the body breaks down hemoglobin, the protein in red blood cells that carries oxygen. Hydration affects urine ...

New “slow flower” farms grow beautiful blooms—without health-harming chemicals used by overseas operations that dominate the ...

Blood Falls in Antarctica flows unpredictably with iron-rich, salty water. Microbes inside survive without sunlight.

A new study observed Amazon river dolphins for 218.9 hours and saw males spurt urine into the air 36 times—proof that the behavior is more common than we thought. Amazon river dolphins swim in ...

Space can be a wondrous place, and we've got the pictures to prove it! Take a look at our favorite space pictures here, and if you're wondering what happened to today in space history don't miss ...

The best color laser printers are a great investment that can save you time and money compared to cartridge-based inkjet printers. Laser printers use toner, which lasts a long time, delivering a ...

Vulvar eczema may cause dry, itchy skin on the vulva and other parts of the genital area. It’s usually caused by irritants like soaps, chaffing, and wearing tight clothing. Treatments may ...