October 16, 2017 Cover
Volume 95, Issue 41
Interest from manufacturers and big chemical companies shows that 3-D printing isn’t just for hobbyists
Chemical educator and Compound Interest blogger Andy Brunning explains the chemistry that makes spider silk strong and elastic.
Microbe-built domes coated with gold nanoparticles can serve as simple pressure sensors
Amino acid signature suggests artificial aging of purported Persian silks