Ancient poppy seeds and willow tree offer clues to recent melting of Greenland ice sheet and glimpse of warmer future
When we first focused our microscope on the soil sample, bits of organic matter appeared: a tiny poppy seed, an insect’s compound eye, broken willow twigs, and spike moss spores. Dark spheres produced by soil fungi dominated our field of vision. These were undoubtedly the remains of an arctic tundra ecosystem, and evidence that Greenland’s… Read More »