The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Reakirt’s blue butterflies were moving among the flowerheads of white clover in my lawn. I presumed that they were nectaring, but I watched closely and discovered that they were ovipositing. They ...

Reakirt's blue butterflies were moving among the flower heads of white clover in my lawn. I presumed that they were nectaring, but I watched closely and discovered that they were ovipositing. They ...

In a group of plants that is famous for luring its pollinators into a death trap, one species offers its flowers as a nursery in exchange. The discovery blurs the line between mutualism and parasitism ...

Nature abounds with examples of mutualistic relationships. Think of bees pollinating flowers whose nectar nourishes the bees, or clownfish that fight off predators of anemones that in turn provide ...