DisclaimerAll opinions on this blog are mine, not HID Global's.
Join 665 other subscribers
Recent Posts: Science About Politics
Tag Archives: moon
See the Invisible
Last year, Jeffrey Tibbetts looked up at the moon and saw something he had never seen before: despite its being a crescent moon, most of it covered in the Earth’s shadow, the entire circumference was visible to him. “Oh god, … Continue reading
Posted in Science Tagged Dehydroretinal, diet, infrared vision, invisible, Jeffrey Tibbetts, moon, Retinoic Acid, Retinol, Vitamin A1, Vitamin A2 1 Comment