Out of all my guilty pleasures in life, there’s one that brings me the most joy — collecting every sticker in sight.

The large shaving head covers enough surface area, saving time, and the battery life is impressive. I was initially skeptical about how effective it would be, but after using it, I'm glad I bought it.

CO2 levels spiked in La Palma, Spain, after the 2021 Cumbre Vieja eruption. But a novel network of CO2 detectors is helping ...