A female African clawed frog, Xenopus laevis, was housed at the Biological Resources Facility of North Carolina State University in a tank with two other females. The frog was ∼1.5 years old and ...

Tadpoles are to frogs as oranges are to ... In his lab, Buchholz is using the gene-editing tool CRISPR to modify African clawed frogs, a species used as a model system in both biology and medicine.

The development of hair was of central importance for the evolution of mammals and, thus, also of humans. However, the ...