In learning to communicate, a good teacher is essential. Take zebra finches, for example. Juveniles of the species learn songs directly from a tutor ...
The embryo of a wild type zebrafish above the embryo of banp mutant zebrafish, both four days post fertilization (dpf). The mutant embryo has smaller ...
Neurons, the specialized cells of the nervous system, are possibly the most complicated cell type ever to have evolved. In humans, these cells are cap...
How neurons first evolved is a long-standing debate. Some scientists believe that neurons evolved once and was then lost in some animal lineages (orig...
