Not Exactly Pocket Science is a set of shorter write-ups on new stories with, where possible, links to more detailed takes elsewhere. It is meant to complement the usual fare of detailed pieces that are typical for this blog.
Live broadcasts of sperm races
Last week, I blogged about the sperm wars of ants and bees. Even after males have mated with a queen, their semen contains chemicals that have evolved to incapacitate the sperm of their rivals. But there’s more than one way of winning the sperm wars. Some insects do it through sheer numbers.
Mollie Manier managed to set up live broadcasts of the sperm wars. She engineered male flies whose sperm was loaded with proteins that glow either red or green. By following these glows with a special microscope, Manier captured astounding and beautiful videos of the sperm racing around the female’s genital tract at high speed, ...