Dry, cracked skin on the hands may result from an underlying fungal infection, known as ringworm. This type of infection is ...
In fact, cracking fingers has been studied for over 60 years. There are many ideas about why your knuckles crack or pop. Experts have even used math to explain how it happens. But the exact reason ...
But in reality, having a vat of skin at the ready allowed researchers to give a mechanical finger a layered covering that looks and acts much like human skin. To generate the skin, the researchers ...