Yeah. Or parts-per-million of polonium in tea. Our ability to *perceive* it is d...

		ceejayoz 27 days ago \| parent \| context \| favorite \| on: Earth Has Tilted 31.5 Inches. That Shouldn't Happe... Yeah. Or parts-per-million of polonium in tea. Our ability to perceive it is different from our ability to be affected by it.