Image of The Day: Open-and-Shut Case
Image of The Day: Open-and-Shut Case
A special hinge joint allows some turtle species to close and open their shells.
Image of The Day: Open-and-Shut Case
Image of The Day: Open-and-Shut Case

A special hinge joint allows some turtle species to close and open their shells.

A special hinge joint allows some turtle species to close and open their shells.

patterning
Image of the Day: Skate Youngsters 
Image of the Day: Skate Youngsters 
The Scientist Staff, The Scientist Staff | Nov 28, 2017
Scientists study the development of scales in skate embryos. 
Precisely Placed
Precisely Placed
Jyoti Madhusoodanan | Sep 1, 2014
Vein patterns in the wings of developing fruit flies never vary by more than the width of a single cell.
Fish of Many Colors
Fish of Many Colors
Abby Olena | Jan 23, 2014
Researchers seek insight into the pigmentation patterns of guppies and zebrafish.
Thomas Gregor: Biological Quantifier
Thomas Gregor: Biological Quantifier
Anna Azvolinsky | Nov 1, 2013
Assistant Professor, Physics, Princeton University. Age: 39