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How AI taught Cassie the two-legged robot to run and jump

Researchers used an AI technique called reinforcement learning to help a two-legged robot nicknamed Cassie to run 400 meters, over varying terrains, and execute standing long jumps and high jumps, without being... Read more »

The Download: legitimizing longevity science, and Harvard’s geoengineering U-turn

On a bright chilly day last December, a crowd of doctors and scientists gathered at a research institute atop a hill in Novato, California. Their goal is to help people add years... Read more »

Harvard has halted its long-planned atmospheric geoengineering experiment

But the project switched locations several times. Most recently, the team hoped to launch a balloon to test out the aircraft’s hardware from the Esrange Space Center in Kiruna, Sweden in the... Read more »

The quest to legitimize longevity medicine

“The term ‘immortality’ should never be part of our discussion… it’s a total pipe dream,” says Verdin, who personally hopes to live to around 95. “My worry is that it makes us... Read more »

This self-driving startup is using generative AI to predict traffic

While autonomous driving has long relied on machine learning to plan routes and detect objects, some companies and researchers are now betting that generative AI — models that take in data of... Read more »

The Download: Africa’s AI regulation push, and how to fight denge

In Tanzania, farmers are using an AI-assisted app that works in their native language of Swahili to detect a devastating cassava disease before it spreads. In South Africa, computer scientists have built... Read more »

Africa’s push to regulate AI starts now        

In February, just before the AU’s AI policy draft came out, Shikoh Gitau, a computer scientist who started the Nairobi-based AI research lab Qubit Hub, published a paper arguing that Africa should... Read more »

Brazil is fighting dengue with bacteria-infected mosquitos

The World Mosquito Program is about to start construction on a mass rearing facility—the biggest in the world—in Curitiba. “And we believe that will allow us to essentially cover most of urban... Read more »

The Download: AI’s gaming prowess, and calculating methane emissions

The news: A new AI agent from Google DeepMind can play different games, including ones it has never seen before such as Goat Simulator 3, a fun action game with exaggerated physics.... Read more »

Why methane emissions are still a mystery

The key is contrails, thin clouds that planes produce when they fly. Minimizing contrails means less warming, and changing flight paths can reduce the amount of contrail formation. Read more about how... Read more »