The shifting orbit of one of Saturn’s moons indicates that the satellite has a subsurface ocean, contradicting theories that its interior is entirely solid. The finding calls for a fresh take on what constitutes an ocean moon.
Nature Podcast: 14 February 2024
News and Views: Mimas’s surprise ocean prompts an update of the rule book for moons
07:05 Could red mud make green steel?
Millions of tonnes of ‘red mud’, a hazardous waste of aluminium production, are generated annually. A potentially sustainable process for treating this mud shows that it could become a source of iron for making steel.
Nature Podcast: 24 Jan 2024
News and Views: Iron extracted from hazardous waste of aluminium production
12:09 A hierarchy of failure
A design principle for buildings incorporates components that can control the propagation of failure by isolating parts of the structure as they fail — offering a way to prevent a partial collapse snowballing into complete destruction.
Nature podcast: 15 May 2024
Nature video: Controlled failure: The building designed to limit catastrophe
News and Views: Strategic links save buildings from total collapse
17:57 Programable enzyme for genpme editing
RNA-guided recombinase enzymes have been discovered that herald a new chapter for genome editing — enabling the insertion, inversion or deletion of long DNA sequences at user-specified genome positions.
News and Views: Programmable RNA-guided enzymes for next-generation genome editing
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