xkcd.com: A webcomic of romance and math humor.

Post-Pandemic Hat
Plus a shirt that says "it feels like you're making eye contact."

Exposure Models
"Cumulative number of coronavirus spreadsheets created over time" is a spreadsheet I am coming dangerously close to creating.

Mars Landing Video
The best part of crashing a Mars briefing is you can get in a full 11 minutes of questions before they can start to respond.

Perseverance Microphones
If the first audio they downlink is from the descent, we probably won't be able to hear anything over the sound of the rover screaming.