Day two of near-record cold – what’s next? A historic decision as the police consent decree is signed into law. Substituting marijuana for opioids. A patch that senses sickness with sweat.

• Federal Judge Approves Historic Chicago Police Consent Decree
• In Chicago, No Time to Chill Out About the Weather
• These Scientists Study the Arctic. What’s Their Take on ‘Chiberia’?
• How it Works: Illinois’ New Opioid Alternative Pilot Program
• Researchers Find Microplastics in Illinois Groundwater
• Clowning Around as a Kid Leads to Lifelong Dance Career