Kelley Blue Book used car pricing

When you use the Kelley Blue Book to price your used car, you go through a series of steps: Year, Make, Model, Value Type (Trade-In, Private Party, Retail), Trim and Condition. It’s pretty straightfoward, but there’s one usability blunder that bugged me: This screen is a waste. If there’s only one possible trim, well, just …

Carbon dioxide worst in 800,000 years

Researchers in Antarctica have analyzed ice cores going back 800,000 years, 150,000 years further than before. The news isn’t good: “Ice cores reveal the Earth’s natural climate rhythm over the last 800,000 years. When carbon dioxide changed there was always an accompanying climate change. Over the last 200 years human activity has increased carbon dioxide …