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Machine learning is the ability of a machine to improve its performance based on previous results. Machine learning methods enable computers to learn without being explicitly programmed and have ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Courtney Schley Courtney Schley is deputy director of editorial operations and ...

As droughts in the United States become more frequent and longer-lasting, new assessment tools are needed. A new National Academies report examines how the field of drought assessment can better ...