Most of us remember two things from high school biology: that mitochondria are the powerhouses of cells and that we inherit stable sets of chromosomes from our two parents. Both truisms are only ...

Right: Confocal microscopy image shows mitochondria (labeled with green fluorescence dye) traveling from a T cell to a cancer cell through the intercellular nanotube. DNA in the mitochondria was ...

Muscle oxygen-binding proteins circumvent anatomical limits to enhance oxygen diffusion in multicellular organisms ...