Embryo implantation in humans. After fertilization the human embryo begins a 4 day long journey down the fallopian tube and into the uterus. When the embryo reaches the blastocyst stage it develops two distinct populations of cells. The outer cell mass,called the trophectoderm, and the inner cell mass.
Cat eye glasses. Named after their resemblance to the shape of a cat's eye, cat eye glasses are probably the most popular style of vintage eyeglasses. Though cat eye glasses were around since the 1950's, they reached their peak popularity when Audrey Hepburn wore a pair in the 1961 film Breakfast at Tiffany's.
Keywords: Good Luck. Chrysoberyl -- Natural Cat's Eye -- is a stone of good fortune and good luck. It is said to bring serenity and happiness, along with optimism and generosity. It is used in emotional crystal healing to bring forgiveness, balanced emotions, and self-esteem. Natural Cat's eye can enhance creativity and kindness. It is also a stone of protection. Chrysoberyl is used in crystal healing for kidneys, pancreas, liver, lymph nodes, spleen, and leukemia issues.