The goal of the 'brain in a bottle' was to produce a biological tool that can be used to investigate the workings of the brain, better understand brain diseases, and test out new drugs.
Other experts described the work as "audacious", "exciting" and "stunning".
One predicted the future creation of a simple animal-like brain that could be linked to sense organs and had the ability to learn.
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A man suspected of planning a terrorist attack has been arrested in Rotterdam after police found a loaded AK-47 in his apartment.
Another mild day with highs reaching up to 13C degrees in mild southerly winds
The first officer shouted "look!" as the drone passed next to the right wing at around 11,000ft above south-east London.