Ed Yong: Suicidal wasps, zombie roaches and other parasite tales

Important Vocabulary Words From The Video


When something wriggles, it moves slowly and awkwardly. Sometimes when you wriggle, you are trying to escape from somebody or something.

  • The snake was trying to wriggle away from the dog.
  • The worm was wriggling around in the mud.

Metamorphosing is the process of changing from one form to another. This can take many different forms, including changing your appearance, your personality, or your behavior.

  • The plant was metamorphosing into a different kind of tree.
  • The caterpillar was metamorphosing into a butterfly.

trematodes are a type of parasite that lives in the blood of fish and other aquatic animals. Trematodes can cause a lot of damage to the fish's body, and they are often fatal.

  • The trematodes are a serious problem, and the fish is not going to be able to survive if it continues to suffer from them.

A trematode is a parasitic worm that lives in the blood of other animals. Trematodes are often deadly, and they can cause a lot of damage to the body.

  • The patient was diagnosed with a trematode infection, and it was very dangerous.
  • The trematode infection can be fatal, and it's very important to get it treated as soon as possible.

Castrating is the act of removing the testicles or the male sex organ. It is usually done to animals for some kind of reason, usually to make them more docile or to make them less aggressive.

  • He castrated the bull because he thought it would make it more docile.
  • The farmer castrated the pig because he thought it would make it less aggressive.

Excitingly means in a way that is pleasant and exciting. When you say that something is excitingly planned, you mean that it is going to be a lot of fun.

  • I'm excitedly looking forward to the party.
  • The movie was excitingly written and directed.

A cabal is a group of people who are working together to achieve a particular goal. They typically have a secret agenda, and they are working to keep their membership secret.

  • The cabal was trying to overthrow the government.
  • The cabal was trying to get the new CEO to accept their offer.

Supervillains are people who commit crimes that are even worse than regular criminals. They are usually very powerful and have a lot of resources at their disposal.

  • The supervillain's goal is to take over the world.
  • The supervillain is known for committing the most heinous crimes.