nature Magazine – August 3, 2023 issue: Lithium-metal batteries promise to charge rapidly and to hold more energy than batteries based on lithium ions. Recharging these batteries requires lithium metal to be reformed at the anode, but this process is affected by the battery’s electrolyte and current collector, which causes the shape of the lithium deposits to vary unpredictably, impairing the battery’s performance.

Water crisis: how local technologies can help solve a global problem

Climate change is making water stress worse for billions worldwide. Scaling up both new and traditional solutions must be a priority.

Why heart trouble can lead to sleep trouble

An immune response triggered by cardiac disease affects the function of a gland with a key role in the sleep–wake cycle.