Two main techniques have been shown to work in the laboratory, by using a donor embryo or a donor egg.

BBC: 'Three people, one baby' public consultation begins

Researchers use two main techniques to assess artery plaque using imaging.

FORBES: Magazine Article

There are two main techniques for doing this.

ECONOMIST: Race, sex and the dismal science | The

"The main challenge is making security techniques lightweight, but apart from that people shouldn't be overly worried about security issues, " said Randell.

CNN: Future dress code: Very smart

The main building has been restored using traditional techniques, so that its stone walls seem to blend seamlessly into the environment.

BBC: The three colours of Ibiza

To counteract data loss, Main.net's cofounder and head scientist, Schaike Zalitsky , built on techniques used to beam cell phone calls through the noisy air.

FORBES: Technology

Techniques developed to deal with interlinked, heterogenous data acquired by massive web companies will be our main tools as the rest of us transition to digital-native operation.

FORBES: Big Data is Creating A Digital Nervous System