Reaching Past Pasta Ads that Feature La Donna E Mobile

Every now and then, I've tried finding a TV commercial that advertised pasta and used a particularly catchy classical piece. I've long since forgotten the name of the pasta and most of the pasta words. I had never learned the name of the music until a few weeks ago. ("La Donna e Mobile" is a 43-sec instrumental autoplay audio that loops.) Read the entire article and comment there, please.

Bur Oak Acorn, Walnut-sized Nut

I spotted the curious-looking bur oak acorn just before Halloween. The acorn had a bushy cap, like a short-dreadlocks hairstyle. The acorn itself seemed about the size of a walnut. After I took it home, I found that the cap easily detached. The composite shows the acorn and cap with measuring stick. Read the entire article and comment there, please.