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Are Plastic-eating Enzymes Our Planet's Only Hope?

science.howstuffworks.com/environmental/green-science/plastic-eating-enzyme-planets-new-hope.htm

Two bacterial enzymes degrade PET plastics and could potentially be a solution to Earth's massive waste problem. HowStuffWorks looks at the science.

This App Can Explain What Your Baby's Cries Mean

lifestyle.howstuffworks.com/family/parenting/babies/this-app-can-explain-what-babys-cries-mean.htm

HowStuffWorks reports on ChatterBaby, an app developed by a UCLA scientist and mother to take the guesswork out of a baby's cries.

Alex Jones and InfoWars: Fact or Tinfoil Fiction?

people.howstuffworks.com/alex-jones-and-infowars-fact-or-tinfoil-fiction.htm

InfoWars publisher Alex Jones regularly espouses conspiratorial stories. Stuff They Don't Want You To Know looks at whether they are fact or fiction.

Hispanic or Latino? It's Complicated

people.howstuffworks.com/culture-traditions/cultural-traditions/hispanic-or-latino-its-complicated.htm

HowStuffWorks explores the differences between terms like Hispanic, Latino, Chicano and Mexican-American.

Can animals understand human language?

animals.howstuffworks.com/animal-facts/can-animals-understand-human-language.htm

Many humans are sure their pets understand a variety of commands. Learn if animals can really understand human language at HowStuffWorks.

Why Do People Knock on Wood for Luck?

people.howstuffworks.com/why-do-people-knock-on-wood-for-luck.htm

Have you ever wondered why people knock on wood for luck? Like many superstitions, the answer goes back as far as pagan rituals.

What Does It Mean When a Dance Card Is Full?

people.howstuffworks.com/what-does-it-mean-when-dance-card-is-full.htm

In an era of strict social rules, dance cards let gentlemen "claim" ladies for their turn on the floor. A full dance card was a sign of popularity.

How Do Chameleons Change Color? And Why?

animals.howstuffworks.com/animal-facts/chameleons-change-colors.htm

Chameleons change color whenever they feel agitated, exhilarated, threatened or excited. OK, but how?

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