Soldiers need to be able to communicate on a noisy, dangerous battlefield even when conventional means of communication are unavailable.
To help meet that need, the US Army has just updated its compilation of hand and flag signals.
One configuration of flags signifies “Chemical, biological, radiological, and nuclear hazard present”:

Or a soldier may need to signal “I do not understand,” as follows:

See Visual Signals for Armor Fighting Vehicles (Combined Arms), GTA 17-02-019, US Army, February 2018.
At a recent workshop, we explored the nature of trust in specific government functions, the risk and implications of breaking trust in those systems, and how we’d known we were getting close to specific trust breaking points.
tudents in the 21st century need strong critical thinking skills like reasoning, questioning, and problem-solving, before they can meaningfully engage with more advanced domains like digital, data, or AI literacy.
When the U.S. government funds the establishment of a platform for testing hundreds of behavioral interventions on a large diverse population, we will start to better understand the interventions that will have an efficient and lasting impact on health behavior.
The grant comes from the Carnegie Corporation of New York (CCNY) to investigate, alongside The British American Security Information Council (BASIC), the associated impact on nuclear stability.