Dr. Roberts looks at the weather saying, "Red skies at night, sailors delight; red skies in the morning, sailors take warning." Walter Orr Roberts informal series, "Provocations." Each issue consists of provocative comments related to scientific issues that mostly focus on weather, climate the su... Show moreDr. Roberts looks at the weather saying, "Red skies at night, sailors delight; red skies in the morning, sailors take warning." Walter Orr Roberts informal series, "Provocations." Each issue consists of provocative comments related to scientific issues that mostly focus on weather, climate the sun, or near space, with the aim of creating a forum for discussion. Show less