Mark Weakland

We need energy to power our computers and run our cars. But who would have thought that w...

The world is full of microscopic creatures. But who would have thought that we needed the...

In cartoon format, uses zombies to explain the science of forces and motion.

What makes a bubble float? Are the bubbles in your soda the same as the bubbles in your t...

Can a magnet really crush a car? How do magnets stick to the fridge without tape or glue?...

Does a towering sunflower fit inside a tiny seed? Where do seeds come from? What makes th...

Is a wheel the same as a gear? Will a square wheel work? Could a wheel roll forever? Disc...

Aye, aye, matey! Captain Kidd here, and I’m on an adventure on the high seas. I&rsq...

Greetings! DO 4U the robot here, and I'm hard at work at Worldwide Robotics. I'm conducti...

What’s the matter? Everything’s the matter!! Get it? If you don’t get t...