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With deepfake audio, that familiar voice on the other end of the line might not even be human let alone the person you think it is. Knk Phl Prasan Kha Phibuly/EyeEm via Getty Images

Deepfake audio has a tell – researchers use fluid dynamics to spot artificial imposter voices

AI-generated voice-alikes can be indistinguishable from the real person’s speech to the human ear. A computer model that gives voice to the dinosaurs turns out to be a good way to tell the difference.
Image of Earth’s city lights, created with data from the Defense Meteorological Satellite Program. NASA/Newsmakers via Getty Images

What the controversial 1972 ‘Limits to Growth’ report got right: Our choices today shape future conditions for life on Earth

A 1972 report warned that unchecked consumption could crater the world economy by 2100. Fifty years and much debate later, can humanity innovate quickly enough to avoid that fate?
A digital twin attempts to capture every aspect of a real thing, including up-to-the-moment changes. lambada/E+ via Getty Images

What are digital twins? A pair of computer modeling experts explain

A digital twin is to a computer model as live video is to a still photo. These virtual replicas can be used to understand and make predictions about a wide range of complex systems, including people.
Brain folding typically begins at the end of the. second trimester of pregnancy and continues after birth. Hiroshi Watanabe/DigitalVision via Getty Images

Brain wrinkles and folds matter – researchers are studying the mechanics of how they form

Understanding how brain folding works could help researchers better diagnose and treat neurodevelopmental disorders.
Ancient military innovations – like the bit and bridle that enabled mounted horseback riding – changed the course of history. Osama Shukir Muhammed Amin/British Museum via WikimediaCommons

The horse bit and bridle kicked off ancient empires – a new giant dataset tracks the societal factors that drove military technology

Did ancient technological advancements drive social innovation, or vice versa? Studying cause and effect in the ancient world may seem like a fool’s errand, but researchers built a database to do just that.
New cases daily for COVID-19 in world and top countries. Chris55 /wikipedia

Coronavirus: country comparisons are pointless unless we account for these biases in testing

We need to update models on death rates or introduce truly random testing to understand the true impact of the coronavirus.

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