TeX4PPT and TeXpoint. It's much more professional but it is not for free except for a one-month trial.
If you prefer knit clothing over latex, there are five relevant blogs:
On the Horns of the GMO Dilemma - Can genome-editing technology revive the idea of genetically modified livestock? Four years ago, Scott Fahrenkrug saw an ABC News segment about the deho...
5 hours ago