If you’re feeling dreary — and it’s been a dreary time, hasn’t it? — my advice is to think about crystals. Unfathomably large crystals, if possible. Big news from the crystal beat: A 7-foot-tall, ...

Scientists have been able to synthesize four new, particularly large and silver-rich clusters, and to determine their crystal structures. Nanoscopic “lumps” of atoms, known as clusters, are the ...