Forearm crutches, also known as Canadian or Lofstrand crutches (Figure 7), are used for patients requiring bilateral upper-extremity support with occasional weight bearing. An advantage of forearm crutches is that they allow the hands to be free without disengaging the crutch from the forearm.
10-animal cloning. Dolly the sheep was the first animal to be cloned from the cell of an adult animal. http://www.ornl.gov/sci/techresources/Human_Genome/elsi/cloning.shtml.
It took the researchers 188 tries to clone just one kitten. CC is two months old and appears to be completely normal.. CC is the first successful product of a program that will allow people to clone their beloved pets at Texas A&M University in College Station. Left photo: the cat from which CC was cloned.