An interesting article that posits explanations for why we know when someone is staring at us (or a goat).
http://www.unexplained-mysteries.com/column.php?id=221951 excerpt: "The postulation of information injection into an observed system by the observer is pertinent in the sense that even mainstream physics has reached the point of increasingly viewing the universe as a holographic information processor.* Information is now viewed as even more fundamental than energy. In this model information provides the 'bits' that combine to produce what we measure and experience as energy. " second excerpt: "Don't think superluminal speeds are possible? Think again. Pioneering Russian scientist Nikolai Kozyrev (1908–83) proved decades ago that torsion fields travel at superluminal speeds, showing that a physical vacuum/zero-point energy/aether must really exist.(21) His work in astronomy revealed that by calculating the actual real-time position of a star or other celestial object and aiming a telescope at where it should be, his time-flow/torsion detector (built into the telescope) would register a measurable signal—despite the fact that he shielded the lens from EM energy and light, and despite the fact that the star (or other body) was not yet visibly in that position (due to the large amounts of time light takes to reach us on earth, we are always looking out at a star's past location, not its present one )." <more> T