Today's headlines from science and tech.

Below is today's selection of the most interesting science, health, and tech news reports. For analysis and commentary from around the Web, check out the  hot topics page. For Human Nature's takes on some of these stories, visit the blog. (I generally post the link first and write the blog entry later, so check back.) To add your own take, open or join a discussion thread in the Fray—and please link to the original story so others can participate intelligently in the conversation.

May 30

California Senate passes bill to let landlords ban smoking in apartments
(Patrick McGreevy and Nancy Vogel, Los Angeles Times)

Hospital gave liver transplants to mobsters while other applicants died
(John Glionna and Charles Ornstein, Los Angeles Times)

Fuel thieves steal restaurant grease
(Susan Saulny, New York Times)

New York regulators restrict steroids for race horses
(AP)

Doctor says Obama is trying to quit smoking via nicotine gum
(Lawrence Altman and Jeff Zeleny, New York Times)

U.S. calls for "bioengineered products" to solve the world food crisis
(AFP)

The more kids a woman has, the more teeth she loses
(Stefanie Russell et al, American Journal of Public Health / Will Dunham, Reuters)