Add Yahoo as a preferred source to see more of our stories on Google. The cow’s amazing ability to sustain itself by eating nothing but grass is one of the marvels of nature, but it comes at a cost.

A group of STEM students at Modern Minds Learning are headed to North Florida for a science competition to present a robotics project focused on cow-produced methane.

The cow’s amazing ability to sustain itself by eating nothing but grass is one of the marvels of nature, but it comes at a cost. As grass ferments in the rumen — one of four compartments in the animal ...