Small animals amuse and amaze scientists who take a close look at them in action. Sometimes it requires a high-speed camera to analyze the trick.
Walnut shells are found to create 3-D puzzles with tissues that even toothy squirrels can’t easily crack.
A correspondent sends along this remarkable nature video from the BBC and asks a good question.
Anti-humanists would rather that children die of malaria than allow a fungus to be modified genetically.
It’s telling that one kind of evolution always seems to be missing from these “theories” about the evolutionary origins of religion.