TechnologyFabric repels both oil and water thanks to clever silicone coating By studying a fabric’s weave, it’s possible to design an environmentally friendly silicone coating for the individual fibres that makes the material oil and water-repellent ¿ìè¶ÌÊÓÆµ
SpaceCecilia Payne-Gaposchkin: The unsung discoverer of star chemistry Cecilia Payne-Gaposchkin, who discovered that hydrogen dominates our universe, finally gets the recognition she deserves in a rich biography, What Stars Are Made OfCulture