General relativity isn’t only a powerfully descriptive theory, but there’s a beauty in its elegance.

The art and beauty of general relativity

Einstein's theory of general relativity is a triumph of reason and imagination, of art and science, with a profound beauty of its own.

Analysis and Comment

Professor Lee Berger from the University of the Witwatersrand holding the skull of Homo Naledi. EPA/Shiraaz Mohamed

Homo naledi may be two million years old (give or take)

The big question being asked is: where does Homo naledi fit in the evolutionary tree? Assessing the similarity or dissimilarity between fossil skulls has provided a possible clue to the answer.

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General relativity at 100


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Your questions answered on artificial intelligence

Is genuine artificial consciousness possible? Should we protect jobs from automation? Your questions on AI and robots answered here.



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