Film student or video pro? These top laptop picks can breeze through demanding video-editing tasks with ease. See the best we've tested. From the laptops on your desk to satellites in space and AI ...

CRISPR-Cas9 genome editing exploits the CRISPR-Cas system to modify a genome in a targeted manner. Guided by RNA, the Cas9 endonuclease breaks DNA at a target sequence. Imprecise repair of the double ...