Scientists

With all the diseases in the world, with all the problems that we as a human community face from starvation to overpopulation to the environment, I find it a relief that scientists are working hard to look at and improve the planet on which we live.

Like these scientists:

The nuisance kernels have kept many a dentist busy, but their days could be numbered: Scientists say they now know why some popcorn kernels resist popping into puffy white globes.

It's long been known that popcorn kernels must have a precise moisture level in their starchy center -- about 15 percent -- to explode. But Purdue University researchers found the key to a kernel's explosive success lies in the composition of its hull.

From CNN