JULY 2007

Columns

JUNK WORTH KEEPING

Is it time to retire provocative descriptors like "junk DNA?"
BY RICHARD GALLAGHER

THANKS, ANDREW SPEAKER

One man with TB shows the world why the quarantine system often doesn't work.
BY GLENN MCGEE

DO UNIVERSITIES NEED QUOTAS?

Many groups are underrepresented at schools, and Brazil's trying to do something about it.
BY JACK WOODALL