Temperature regulation performance. (IMAGE) Science China Press Caption (a, b) The optical and infrared photographs of experimental setups outdoors, respectively. (c) Temperature comparisons in summer daytime. (d) Temperature comparisons in winter daytime. (e) Temperature comparisons in spring frigid nighttime. Credit ©Science China Press Usage Restrictions Use with credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.