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 2

Congress passes ban on genetic discrimination
(Amy Harmon, New York Times)

World's first fully automated anesthesia during surgery
(McGill University)

Seven percent of Ontario kids in grades 7 to 12 have played the "choking game"
(Centre for Addiction and Mental Health)

Food-price surge makes Congress rethink ethanol subsidies
(Nicole Gaouette and Richard Simon, Los Angeles Times)

Global food shortage forces acceptance of genetically modified corn
(Jae-Soon Chang, Associated Press)

State bills would guarantee "academic freedom" for teachers who challenge evolution
(Stephanie Simon, Wall Street Journal)

Surgery for girl with backward, upside-down feet
(Karen Matthews, Associated Press)