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This activity explores images of tree growth in the Serengeti over time, which serve as a phenomenon for learning about and modeling species interactions in ecosystems.

This case study follows a 2020 COVID-19 outbreak on a cruise ship to highlight how control measures like lockdown impact disease spread.

This case study follows the 2019 measles epidemic in Samoa to highlight how vaccination impacts disease spread.

This activity guides students through learning and using key scientific terms, culminating in the creation of a customizable diagram.
 

This activity provides three sets of cards that can be used to reflect on the nature and dimensions of science.
 

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.

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.

This activity explores images of elephants with and without tusks, which serve as phenomena for learning about selection and human impacts on the frequency of traits within populations.

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.