TechnologyFlame-resistant variety of cotton could cut need for toxic retardants White cotton can normally only be made fire resistant by adding toxic flame retardants, but a new form could enable us to make inherently non-flammable cotton fabrics ¿ìè¶ÌÊÓÆµ
ChemistryToughest material ever is an alloy of chromium, cobalt and nickel An alloy made of almost equal amounts of chromium, cobalt and nickel resists fracturing even at incredibly cold temperatures, which could make it useful for building spacecraft ¿ìè¶ÌÊÓÆµ