Self-assembling molecular capsules can serve as containers, separation tools and even as reaction vessels and catalysts.
William Nicholson, born 250 years ago this year, founded a new journal and discovered electrolysis. Colin Russell elaborates.
A disposable polymer microchip promises to make medical diagnostics easier and more convenient.
Orderly arrays of microscopic balls can make light behave in unusual - and often useful - ways, Philip Ball reports.