Here are some words guaranteed to draw exasperated sighs among synthetic biologist: Food Babe. Greenpeace. Friends of the Earth. These are megaphone-wielding critics of genetically modified organisms. “They really have an agenda,” said a synthetic biology company rep, her eyes widening with concern, at Consumer Bio, a invite-only forum for venture capitalists and applied biology companies in San Francisco this week. Food Babe was most certainly not invited, but the anti-GMO message she’s perfected was the subtext of many conversations.