Word: sperm
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...directing that any unused embryos be donated for research. But a month before she sued Steven for divorce, Maureen told the hospital she didn't want the embryos destroyed. Her lawyer, Vincent Stempel, points out that she had surgery to create the embryos, while her ex-husband only donated sperm. "She went through a lot of physical pain to have these eggs extracted," he says. And, he notes, they may represent her last chance of becoming a biological mother...
...debate among husbands and wives: how many children to have. But Steven and Maureen Kass of Amityville, N.Y., bring something new to the issue: they're wrestling with the question five years after their divorce. The Kasses have five frozen embryos, made from his sperm and her eggs, left over from their married days of trying to conceive by in-vitro fertilization. Maureen, who is 40 and childless, wants to use them to have children. Steven, 38, is adamant that he doesn't want kids with his ex-wife. He is seeking to donate the embryos to research. Their fight...
...trial judge ruled for Maureen, holding that once the sperm and ovum are united--whether "in the private darkness of a Fallopian tube or the public glare of a Petri dish"--a human life has begun and it is the woman's decision whether or not to let it proceed. But the intermediate appellate court took Steven's side, rejecting the notion that the embryos are human life and emphasizing the consent form that both Kasses had signed...
ROGER SHORT Geneticist wants mice to produce human sperm. Makes "Are you a man or a mouse?" a hard call...
When substances this potent hit the sensory systems of a relatively unsophisticated animal, they pack a big behavioral wallop. Pheromones emitted by queen bees prevent other females from maturing sexually, ensuring that the queen's genes remain dominant. Among fish, scent markers released by females cause male sperm counts to quintuple overnight. When injured by a predator, some amphibians emit a compound that warns others of their species to keep out of harm...