Visitors to national parks this summer may notice striking new signs asking people to report any “negative” depictions of historic events or figures they encounter. Advocates for national parks worry that this will lead to censoring less flattering parts of U.S. history. We hear about how this order could impact Colorado’s national park sites, like the Amache internment camp or the Sand Creek Massacre historic site.

Imagine being able to tell the vegetables in your garden when to ripen. Researchers at Colorado State University say they’re developing genetic “toggle switches” for plants that would let people control when and how their crops grow.