Meteor rocks Cleveland with loud boom

IE 11 is not supported. For an optimal experience visit our site on another browser. Now Playing Meteor rocks Cleveland with loud boom 01:21 UP NEXT Historic snowstorm and record heat 01:40 ‘Match Week’ moments go viral as med students realize their dreams 01:34 Executive captured in viral ‘kiss cam’ video speaks out  01:30 Iran’s…

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A bridge recombinase for human genome editing

Bridge RNA-guided recombinases, which originate from the IS110 family of bacterial insertion sequence elements, show promise as programmable systems for genome editing. However, most work so far has been done in bacteria. Writing in Science, Pelea et al. provide insights into a bridge recombinase that can edit human cells. Bridge recombinases act as editors by…

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NASA’s X-59 Prepares for Second Flight

NASA’s X-59 Prepares for Second Flight

NASA’s X-59 experimental aircraft is preparing for its second flight, a step that will set the pace for more flight testing in 2026.  Over the coming months, NASA will take the quiet supersonic jet faster and higher, while validating safety and performance, a process known as envelope expansion.  NASA test pilot Jim “Clue” Less will be at the X-59’s…

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