Headlines

Could ecological roles offer clues to how life began?

Producers, consumers, and decomposers play different roles in today's ecosystems. Thinking about these familiar roles led me to a question: Could their differences partly reflect the different physical and chemical environments in which early life developed? I wondered whether

Biodiversity is a priority for European municipalities

As urbanization spreads worldwide, the loss and fragmentation of habitats are driving the global decline in biodiversity. At the same time, urban green spaces like parks, meadows and forests have the potential to contribute significantly to biodiversity conservation at the

Solving an ancient cold case: Roman was brutally murdered

This 2,000-year-old cold case offered a wealth of information, Leiden archaeologists Carol van Driel-Murray and Mark Driessen explain. Few skeletons from the late Iron Age and early Roman era have been preserved, making this largely intact skeleton a valuable research resource.

Mapping the hidden global labor powering AI

Most people know by now that artificial intelligence powers much of the online world, sifting through social media posts, planning driving routes or helping to choose a movie to watch. But what goes largely unseen is the human labor—often performed by people working for low