Several concerns need to be addressed before its use, such as effective delivery and the safety of tinkering with DNA in brain cells. (emoryhealthsciblog.com)
Of course, because I can't not tinker with a recipe and because I always want something garlicky with lamb, I added a garlic - cumin rub. (millys-kitchen.com)
Though creating invention - themed cartoons has been for me nothing more than a sideline business, I've never stopped amusing myself by tinkering with ideas for plausible or outrageous products, or by trying to anticipate future trends and inventions. (treehugger.com)