Image of the Day: Green Eggs 

Spotted salamander embryos hatching out of their egg capsules    

ROGER HANGARTER                                                                                                                                                                                         

New research demonstrates that green algae not only grow inside of a spotted salamander egg, but enter cells within its body. Thus far, this is the only example of endosymbiosis in a vertebrate. 

(See J.A. Burns et al., “Transcriptome analysis illuminates the nature of the intracellular interaction in a...