From Washington University: “Fish Genitalia May Balance Attractiveness with Predatory Escape.”
The scientists found that female mosquitofish prefer the well-endowed male. Unfortunately for the males, larger genitalia impede a speedy getaway, making them more likely to be eaten by predators. Sometimes, you just can’t win.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.