Ecologist Jakob Assmann and Explorers Jeffrey Kerby and Isla Myers-Smith study the tundra’s rapidly changing seasons through drone imagery. This allows them to capture information that satellites miss, uncovering signals of climate change by tracking changes in thousands of individual small plants. Assmann writes that “using drones is like switching from a small Gameboy screen to a 4K TV.” This week their results are published in the journal Environmental Research Letters, highlighting the power