Search Results | rock

Your search for "rock" returned 2,648 results

What If the Earth Had Two Moons?

science.howstuffworks.com/science-vs-myth/what-if/what-if-earth-had-two-moons.htm

Tons of planets have more than one moon. Heck, Jupiter and Saturn have more than 50 each, and they seem to be doing just fine. So why is it that the idea of a second moon for Earth has scientists throwing up red flags?

Something Produced a Surprising Spike of Methane on Mars

science.howstuffworks.com/methane-spike-mars.htm

Of all the discoveries made on Mars, the detection of methane blowing in the air is probably the most compelling. HowStuffWorks investigates the Mars methane mystery.

Lava Isn't the Only Dangerous Aspect of Volcanoes

science.howstuffworks.com/environmental/earth/geology/volcano-dangers-vog.htm

Ash flows, deadly gases and vog are just a few of the other reasons why we all need to respect volcanoes.

Moissanite vs. Diamond: Which Is the Best Engagement Ring?

science.howstuffworks.com/environmental/earth/geology/moissanite-vs-diamond.htm

What's the difference between moissanite and diamonds? And which of these brilliant stones wins out when it comes to the engagement ring competition?

The Ultimate Parrot Quiz

play.howstuffworks.com/quiz/parrot-quiz

Parrots have always been a special type of bird, whether on the shoulder of a pirate or revealing some kind of embarrassing information in a sitcom. Learn more about this fascinating bird by taking this quiz.

English vs. French vs. Japanese: An International Garden Primer

home.howstuffworks.com/international-garden-primer.htm

When you're planning your next garden, get inspired by these classic styles.

The Perfect Length for a Pop Song

entertainment.howstuffworks.com/the-perfect-length-a-pop-song.htm

Why are most radio songs between three and four minutes? Learn the science and psychology behind pop song length at HowStuffWorks Now.

Why Is an Asteroid Worth $10,000,000,000,000,000,000?

science.howstuffworks.com/psyche-16-asteroid.htm

A distant asteroid made mostly of iron is potentially worth $10,000 quadrillion, making it many times more valuable than the global economy.

Are You a Siren or a Mermaid?

play.howstuffworks.com/quiz/are-you-a-siren-a-mermaid

Sirens and mermaids have appeared in popular folklore for thousands of years, helping and harming unsuspecting seafarers. Which of these mysterious creatures are you most like? Take this quiz to find out!

381 - 390