Google announced its data centers will be fully powered by renewable energy sources by 2017. In total, the tech industry accounts for approximately two percent of all greenhouse gas emissions.

A new study has humans playing a computer game based on direct brain stimulation instead of sensory cues from sight, sound, or touch. The subjects had to navigate 21 different mazes and, with stimulation, were able to make the right moves 92 percent of the time.

A new study reveals that dark matter may not be as clustered as previously thought. In fact, it's very possible that dark matter is more evenly spread out in space. For the study, astronomers observed an area of the sky covering a size about 2,200 times that of the full moon, and encompassing more than 15 million galaxies.

"Trying All and Discovering All" - The Evolution of Human Understanding of the Universe From Ancient Times to Modern