UCLA researchers determined sperm carrying a Y chromosome swim differently than sperm carrying an X chromosome. In a study published October, Aydogan Ozcan, professor of electrical and computer engineering, and his lab constructed a microscope that allows for the 3D tracking of small moving cells like sperm cells. Read more...

Photo: On the left, the pattern of movement for a sperm with an X chromosome, which will create a female fetus. On the right, a slightly different pattern of movement for a sperm with a Y chromosome, which will create a male fetus. (Courtesy of Mustafa Ugur Daloglu et. al./Nature Publishing Group)

The U.S. Environmental Protection Agency nominated a former UCLA professor as a candidate for its Science Advisory Board. He claims he was wrongfully terminated because of his controversial position on certain air pollutants. Read more...

Photo: James Enstrom, a former UCLA professor who claims he was wrongly terminated because of his controversial position on certain air pollutants, was nominated to the Science Advisory Board. (Daily Bruin file photo)