By 2000, guys, the question "Did you remember to take your birth-control pill?" may be directed at you. Vanderbilt University Medical Center researchers say a birth-control pill for men is ready for limited testing and could be widely available by the turn of the century. Researchers say they achieved complete, reversible sterility in six healthy men with daily injections of synthetic hormones. Tests of an oral version are planned.

Good news for diabetics: A biological trick that deceives the immune system may make it possible one day to cure diabetes with the transplantation of insulin-producing pig cells, according to a Harvard researcher's report in the journal Science. Denise Faustman says she and her team have developed a way to transplant cells, and perhaps whole organs, from one species to another without having to use drugs to block rejection.

A new study documents what many mothers already know-that to get a son to clean up around the house, you have to nag him. While daughters in dual-earner families do 25 percent more housework than daughters in traditional families, sons in dual-earner families do only one-third as much as boys in traditional families, according to a report cited in American Demographics magazine. The reason, the study suggests, is that nobody is home to stay on their case.