Wanna see a trick? Give us any topic and we can tie it back to the economy. At Planet Money, we explore the forces that shape our lives and bring you along for the ride. Don't just understand the ...

Blob is a very simple invertebrate, just like worms or jellyfish. Over 96% of all the animal species on Earth are invertebrate. They can be tiny like an insect or huge like the giant squid.