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Out of Antarctica, churnings of climate change

The interplay of carbon dioxide, winds and Southern Ocean waters could be reaching an environmental tipping point

How researchers are making do in the time of Covid

The coronavirus pandemic has shuttered labs and sidelined scientists all over the world. Here’s a look at how some of them have coped.

To understand airborne transmission of disease, follow the flow

Viruses and bacteria travel in fluids, such as the air we breathe. Studying exhalations, toilet flushes and rain drops, with math and modeling, can sharpen the big-picture view of how to prevent infections.

Building a mouse squad against Covid-19

It began with an email from Wuhan, a Maine laboratory and mouse sperm from Iowa. Now that lab is on the verge of supplying a much-needed animal for SARS-CoV-2 research.

American individualism and our collective crisis

Our national and social identity is deeply rooted in values like freedom, equality and order. A political scientist explores how these ideas affected the US response to the pandemic.

AI’s next big leap

The unlikely marriage of two major artificial intelligence approaches has given rise to a new hybrid called neurosymbolic AI. It’s taking baby steps toward reasoning like humans and might one day take the wheel in self-driving cars.

Psychedelics open a new window on the mechanisms of perception

Some neuroscientists think psychedelic drugs and the hallucinations they induce could help reveal how the brain generates our perceptions of the world around us — and of ourselves

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