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.
Getting billions of people to stop eating meat isn’t very realistic, so some have put their hopes in lab-grown steaks made from stem cells.