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Science Questions

Science questions are a fun and interesting way to learn about planet Earth, organisms and the universe. In this section you'll find an incredible collection of science questions covering a wide variety of topics.

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How do they get lead in a wooden pencil?

The lead in a pencil is not actually lead. It is a mixture of graphite and clay, but have you ever wondered how they get the lead inside a wooden pencil. Find out how pencils are constructed in this article from HowStuffWorks.


Gravitational Waves! Or the Chirps That Prove Einstein Was Right

We've observed gravitational waves, thanks to two black holes colliding and two interferometers. Learn about gravitational waves at HowStuffWorks Now. See more »

Exploding Termites, Pigeon Doctors, Alien Insurance: Our Favorite 2015 Stories

What were some of our staff's favorite, weirdest, most compelling stories from 2015? Read more in this HowStuffWorks Now article. See more »

9 HowStuffWorks Now Stories That Readers Dug in 2015

We've rounded up the nine most popular stories on HowStuffWorks Now this year. They're an eclectic mix for sure. Let us know which is your favorite. See more »

At the Micro Level, Everything Should Be Reversible. But It's Not

Once you start getting small, everything's reversible, including time. Or so we thought. Learn about irreversibility at HowStuffWorks Now. See more »

Can a baby have three biological parents?

Is having three biological parents possible? Find out if we can throw a third set of genes into the mix to create a baby. See more »

Why did Thomas Edison electrocute an elephant?

You may have heard of Topsy the elephant and her sad demise. So why did Thomas Edison electrocute an elephant? Find out at HowStuffWorks. See more »

10 Correlations That Are Not Causations

Whenever you kiss your bowling ball, you bowl a strike. Learn about 10 other correlations that are not causations at HowStuffWorks. See more »

Top 10 Scientific Discoveries of 2013

There have been plenty of scientific discoveries in 2013. Visit HowStuffWorks to start the countdown of the top 10 scientific discoveries of 2013. See more »

How can quadrotors change the future of engineering?

Quadrotors have tons of applications in engineering, like venturing into really dangerous places. Learn more about quadrotors at HowStuffWorks.com. See more »

How do search and rescue teams track weather in the field?

There's a wide range of technology to help emergency service workers in the field. Learn how search and rescue teams track weather at HowStuffWorks. See more »