The Conversation

Gifts from top 50 US philanthropists rebounded to $16B in 2024 − Mike Bloomberg; Reed Hastings and Patty Quillin; and Michael and Susan Dell lead the list of biggest givers

Mike Bloomberg speaks at the Global Renewables Summit in September 2024. Bryan Bedder/Getty Images for Bloomberg PhilanthropiesThe 50 American individuals and couples who gave or pledged the most to charity in 2024 committed US$16.2 billion to foundations, universities, hospitals and more.

How the risk of AI weapons could spiral out of control

marina.rodrigues/ShutterstockSometimes AI isn’t as clever as we think it is. Researchers training an algorithm to identify skin cancer thought they had succeeded until they discovered that it was using the presence of a ruler to help it make predictions. Specifically, their data set consisted of images where a pathologist had put in a ruler to measure the size of malignant lesions.

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