A black hole's spin could finally be measured by a high-speed star

Star orbiting close to Sagittarius A* could reveal its spin — plus, how exoskeletons might change the way humans move.

00:46 The star that could reveal a black hole’s spinResearch article: Dayem et al.

13:23 Research HighlightsNature: ​​​​​​​Rattlesnakes’ own antivenom could protect humans too

Nature: ​​​​​​​Shipping on rivers packs a surprisingly large climate punch

15:40 Commercial exoskeletons are hitting the market — what now?Nature: ​​​​​​​Will you be wearing an exoskeleton in ten years? The tech that could change how we move​​​​​​​

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