Researchers recently used CRISPR single-guide RNAs to alter genes involved in pigmentation in frog embryos.

Selected Images of the Day from the-scientist.com

Scientists are making use of Xenopus tadpoles to study autism risk genes. 

Researchers show that cells may have evolved to be small because of gravitational forces.

Blind tadpoles regain vision when new eyes are grafted onto their tails. 

In exploring how embryos take shape, John Wallingford has identified a key pathway involved in vertebrate development—and human disease.

Associate Professor in Molecular Cell & Developmental Biology at the University of Texas at Austin, John Wallingford, makes his living using cutting-edge microscopic techniques to watch developmental events unfold in real time.