Air pollution: The silent killer called PM2.5

Millions of people die prematurely every year from diseases and cancer caused by air pollution. The first line of defense against this carnage is ambient air quality standards. Yet, according to researchers from McGill University, ...

Microplastics in the Great Lakes: Becoming benthic

From the Great Pacific garbage patch to inland rivers, plastics are among the most widespread contaminants on Earth. Microplastics—particles of plastic smaller than five millimeters—are especially pervasive. As they build ...

Mega-canyon discovered beneath Greenland ice sheet

A previously unknown canyon hidden beneath two kilometers of ice covering Greenland has been discovered by a group of scientists, led by a team from the University of Bristol.

Maps reveal the truth about population density across Europe

It's often said that England is the most densely populated large country in Europe – typically in discussions about the nation's rising population, and the growing strain on public services. But it's not true.

For ants, unity is strength—and health

When a pathogen enters their colony, ants change their behavior to avoid the outbreak of disease. In this way, they protect the queen, brood and young workers from becoming ill. These results, from a study carried out in ...

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