Marine biologists have documented a remarkable hunting strategy employed by killer whales in the southern Gulf of California, in which they harvest whale sharks' organs. Researchers in Mexico have ...

HHS initially proposed the rule change in September. Health officials say they hope the final rule will expand access to critical organs and reduce stigma associated with HIV “by increasing the ...

People with HIV who need a kidney or liver transplant will be able to receive an organ from a donor with HIV under a new rule announced Tuesday by U.S. health officials. Previously, such ...

It has opened up a new area of research into what scientists are calling “organ aging,” which looks at how different parts of our bodies seem to start aging earlier than others, affecting what ...

Or replace the tuning fork with an aluminum rod about 1/2 inch (1.25 cm) in diameter and at least 1 yard (1 m) long. Hold the rod at its center, strike one end with a hammer, and hold it vertically ...