#Researchers discover what’s behind nature’s perhaps largest erection, which is not that big
“#Researchers discover what’s behind nature’s perhaps largest erection, which is not that big” Microscopic photo of a normal pollentube and a pollentube with essential growth-genes turned off. The black line is a scale for 0.1 mm. Credit: University of Copenhagen In the plant kingdom, the sexual organ of a male pollen grain grows up to…