The iris of a human eye has two layers of fibers, radial fibers that pry the pupil open and sphincter fibers that snap it shut.
By The Scientist Staff | November 13, 2012
Sign In with your LabX Media Group Passport to leave a comment
Not a member? Register Now!
December 24, 2012
By Ashley P. Taylor
Large-scale sequencing effort confirms several mutations that confer lactase persistence in Africans, while haplotype analysis sheds light on the trait’s origins.
By Daniel Cossins
Researchers show that some anti-inflammatory drugs may inhibit bacterial growth by blocking a protein component that is important in DNA replication.
By Rina Shaikh-Lesko
Researchers find a new gene connected to obesity in a surprising part of the genome.
View the March 2014 contents.
© 1986-2014 The Scientist