01:0201:02, 5 May 2016diffhist+224
Stem cell controversy
ESCs are not totipotent - they cannot form placental tissue. Only at the morula (16-cell) stage or earlier are embryos totipotent.
22:1522:15, 25 May 2015diffhist−977
Cleveland Clinic
→Reputation: unclear why a large amount of reputation is spent on talking about some stupid medicare stuff that all hospitals have... while the national rankings have been stripped away..