Image: Mail OnlineCatch me if you can! Inside NASA's daring plan to save a space telescope from plunging back to Earth
• NASA is planning a daring rescue mission to prevent a precious space telescope from plummeting back to Earth. • Separately, a University of Alberta study found that smartwatches are less effective at tracking heart health data for people with darker skin tones. • This research is the first to aggregate data from multiple studies to specifically analyze how skin pigmentation impacts wearable accuracy.
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