MLB, Topps and Nike have partnered to recognize baseball's elite performers from last season with custom gold-embellished MLB logos on their jerseys that will then be used to create trading cards.

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.

You can now play an even larger range of puzzles on our site, every weekday and now also every Saturday. Check out our brand new puzzles below, from Hangman to Add Up and even a Jigsaw. Of course ...