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 tooNature: ​​​​​​​Shipping on rivers packs a surprisingly large climate punch15:40 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​​​​​​​Subscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday. Hosted on Acast. See acast.com/privacy for more information.