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How smart is ChatGPT really – and how do we judge intelligence in AIs?

Technology

How smart is ChatGPT really – and how do we judge intelligence in AIs?

Following claims that an AI has shown "sparks of artificial general intelligence", what are we to make of the hype surrounding this technology? AI expert Melanie Mitchell is your guide

Features

Ljubljana Marshes Wheel with axle (oldest wooden wheel yet discovered)

Humans

Can we ever know who invented the wheel?

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Artistic rendering of Morotopithecus

Life

Early break-up of eastern African forests shaped our ape ancestors

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Canyars_LeatherPunchBoard

Humans

Bone fragment reveals humans wore leather clothes 39,000 years ago

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2F618EY Landing of the James Caird On South Georgia, 1916

Comment

Presence review: A lively look at why we experience ghostly presences

Culture

HHXJTH Chaco Canyon, New Mexico

Humans

The archaeologists recreating the secrets of prehistoric technology

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Mandatory Credit: Photo by Sipa/Shutterstock (143675c) MIKE DARWIN WITH CRYONICS EQUIPMENT ALCOR LIFE EXTENSION FOUNDATION WORKERS ACCUSED OF THE MURDER OF DORA KENT, CALIFORNIA, AMERICA - 1988

Humans

Frozen Head review: Why do some people want to be frozen after death?

Culture

Tightly-curled hair appears to maximise the shielding effect from the sun while minimising an unwanted insulating effect

Humans

Curly hair may have evolved to protect early humans from the sun

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Paranthropus, early human relative

Humans

Early hominin Paranthropus may have used sophisticated stone tools

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Light micrograph of a section through the spleen of a patient with Gaucher's disease. Small lymphocytes and large macrophage cells (Gaucher?s cells, pink, a type of white blood cell) are present. Gaucher's disease is an inherited metabolic disorder in which a fatty substance called glucocerebroside accumulates in the spleen (in macrophages), lungs, liver and bone marrow, and sometimes the brain. This is due to an absence of the enzyme glucocerebrosidase (GC). The disease appears in childhood, and some forms are fatal in the first few years. Other forms cause enlargement of the affected organs, weak and painful bones and anaemia. Some forms also cause severe nervous system damage. There is no cure, but enzyme replacement therapy using GC can relieve the symptoms. Haematoxylin-eosin saffron (HES) stain. Magnification: x400 at 24x36 mm size.

Health

Genes for Gaucher disease may have protected Jewish people against TB

Gaucher disease, a genetic condition that is more common in Ashkenazi Jewish people, may confer protection against tuberculosis, according to research in zebrafish

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Humans

Neanderthals hunted enormous elephants that fed 100 people for a month

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Technology

We need to accept that deepfakes are here to stay in film and TV

Comment

Health

A better understanding of PCOS offers fresh hope for new treatments

Features

Humans

Why it is important to explore the outer limits of knowledge

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