regenerate about once a month, so you constantly have dead skin cells peeling off, but if this dead cells combine with oils and dirt, they can block pores and cause blackheads and acne. the good news is that (depending on your skin) you only need to exfoliate between one and three times a week, so incorporating...
"we are excited that a viable, northern white rhino embryo has developed with the help of geri." the embryos are currently stored in liquid nitrogen credit: justin mott the scientists are also trying to create rhino sperm and eggs directly from stem cells. because there are only two females left and...