Search Results | HowStuffWorks

What is the origin of life on Earth? Learn about theories of evolution and the origin of life on Earth at HowStuffWorks.

What's the secret to happiness? Learn about research in the area of happiness and what is the secret to happiness at Discovery Health.

What is the universe made of? Is it made of atoms like everything found on Earth? Find out what the universe is made of in this article.

Cities are often hotter than rural areas because of the urban heat island effect. Learn what an urban heat island is.

When gas prices leap, people take an interest in thermal technology. Find out what thermal technology is and how heat is used to produce energy.

Ultrasonic mind control is explained in this article. Learn about ultrasonic mind control.

Urushiol is the active chemical in poison ivy. Learn more about urushiol and how to properly remove poison ivy.

Voltage is how we measure the difference in electric potential energy. Learn about what voltage is from this article.

Scary graveyards like the one in the cult hit Phantasm are everywhere. Are scary graveyards so creepy to you that you suffer from coimetrophobia?

What makes humans human? How are we different from the other great apes? Find out what makes humans human in this article from HowStuffWorks.