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This video shows how a group of students, scientists, and volunteers came together to make hand sanitizer and masks for their community during the COVID-19 pandemic.

Oxygen levels have dropped in hundreds of lakes in the United States and Europe over the last four decades, a new study found.

With demand for COVID-19 vaccines outpacing the world’s supplies, a frustrated public and policymakers want to know: How can we get more? A lot more. Right away.

The world’s vital insect kingdom is undergoing “death by a thousand cuts,” the world’s top bug experts said.

The COVID-19 pandemic has helped revive the autopsy.

This four-part animation series explores the biology of the virus SARS-CoV-2, which has caused a global pandemic of the disease COVID-19.

Every year, as many as 400 million people are infected with life-threatening diseases by the Aedes aegypti mosquito. It wasn’t always so dangerous.

Across the U.S. and in Europe, researchers and health officials say they can track the course of a community outbreak of the new coronavirus by studying the waste flushed from its bathrooms. And that can provide a valuable addition to public health tools, they say.

For centuries, scientists have obsessed over a primordial blob that can shape-shift, clone itself, and live indefinitely.

Masks and social distancing can help control the coronavirus but hand washing and other measures are still needed, a new analysis finds.

Inside the U.S. and Panama’s long-running collaboration to rid an entire continent of a deadly disease.

Testing is critical to controlling the coronavirus and eventually easing restrictions that have halted daily life for most Americans. But there’s been confusion about what kinds of tests are available and what they actually measure.