Most chollas attack humans. Others attack, or perhaps are blown into, saguaros. Don't mess with chollas.

The birds of Tucson never stop amazing me.

Give me the mountains and the moon, and I will do the rest.

1/🚨 Thrilled to share that our paper (w/ Eduardo Blanco), "Making Language Models Robust Against Negation," has been accepted to the #NAACL2025 main conference! 🎉 #Negation has always been a challenge for language models. Here's our self-supervised method to tackle this issue:

The trail from the border to Utah crosses Tucson.

Birds flying around in the dust chaos #azwx #monsoon2025

A few more images from my first #Monsoon2025 chase last night out near Three Points, AZ. #azwx #monsoon #arizona #lightning Sony #SonyAlpha