Explode

What would happen if while I was popping popcorn all the kernels popped at once? Should I be concerned?- Skye M., Portland, MaineDon't worry, all of your popcorn kernels won't pop at once.Popcorn kernels burst because the water inside them…

A test of a prototype rocket that Elon Musk dreams of sending people to Mars flew several miles high on Wednesday. But trying to land, it landed too quickly on the ground and exploded.This was the most recent, partially successful, test in…