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Sharpening scissors at home can help you achieve smoother, more efficient cuts. By learning how to sharpen these essential household tool you can restore their cutting power when they start to dull.

Kitchen scissors and shears are some of the most versatile tools in our kitchen. But if they keep catching, snagging or have become more difficult to use, it’s time to sharpen them. Like our knives, ...

A research group has found out how CRISPR-Cas9 -- also known as 'molecular scissors' -- can search the genome for a specific DNA sequence. Cas9 already has many applications in biotechnology and is ...