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Why ChatGPT is bad at imitating people

Large language models like ChatGPT and Copilot are useful for many things. However, they are not yet good enough to imitate the way people speak.

Robot to the rescue when buildings collapse

When disaster strikes, a small robot steps in to save lives. The researchers have dubbed it a “Smurf.” It uses its eyes, ears and nose to find survivors in collapsed buildings.

Super-recognizers

Some people never forget a face. This is an ability police forces around the world find very useful. It now seems that this superpower can be used for more than previously thought.

Walruses off of Ellesmere Island.

Unlocking the secrets of Viking and medieval walrus tusk trade

Two tiny Scandinavian settlements in Greenland persisted for nearly 500 years and then mysteriously vanished. Their disappearance has been blamed on everything from poor agricultural practices to a changing climate. But what if the real reason was the walrus tusk trade?