How oral cultures memorise so much information

Ancient Celtic bards were famous for the sheer quantity of information they could memorise. This included thousands of songs, stories, chants and poems that could take hours to recite in full.

Gaia starts mapping the galactic bar in the Milky Way

The second release of data from the Gaia star-mapping satellite, published in 2018, has been revolutionising many fields of astronomy. The unprecedented catalogue contains the brightness, positions, distance indicators and ...

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