Extras
Clinical algorithms are meant to guide doctors toward better care – but do they?
Bird brains may be tiny, but they pack in as many—or more—neurons as much larger animals.
Bird brains may be tiny, but they pack in as many—or more—neurons as much larger animals.
Explora las antiguas ciudades mayas y aprende por qué sus habitantes las abandonaron.
Descubrimientos arqueológicos revelan civilizaciones antiguas olvidadas en la Amazonia.
Discover how deepfakes are detected and what the future holds for truth in the digital age.
Dive into deep time to discover how fossils form, the ocean's surprising origins, and more.
Follow Homo sapiens as they venture out of Africa and spread farther than any other human species.