Stem cells are undifferentiated cells that have the ability to become specialized cells such as skin, bones, muscles, etc. The two main sources of stems cells are embryos at the embryonic stage of development (blastocyst) and adult tissue. They can be found in bone marrow, blood vessels, muscles, skin, liver, the brain, nasal mucosa, fatty […]
Neighbors who object to a dog’s barking can make life pretty unpleasant for both you and your pet, and understandably so – much as any person loves dogs, listening to a barking dog at all hours of the day can be extremely annoying. When your dog barks it can be for many reasons, to warn […]