The Post welcomes letters up to 250 words on topics of general interest. Letters must include full name, home address, day and evening phone numbers, and may be edited for length, grammar and ...

CRISPR-Cas systems are prokaryotic immune systems that confer resistance to foreign genetic elements such as plasmids and phages. CRISPR-Cas systems have been exploited for targeted genome editing.

The 2024/25 campaign will be the 54th season of this club competition, the 16th since it was rebranded from UEFA Cup to UEFA Europa League, and the first under the new format. It kicks off on 11 ...

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 ...

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A look at burning political issues and debates and their historical context within the US and worldwide, hosted by Mitch Jeserich.