2026-09-25 · hcn.org

The crows in our midst - High Country News

Every winter night, thousands of crows flock together to sleep in downtown Portland. Their presence is controversial, but one writer finds a surprising kinship with this curious gathering.

2026-09-23 · blog.cloudflare.com

We just shipped support for the ugliest part of HTTP: Vary

Vary support is now available in Cache Rules on every plan. You can normalize known negotiation headers, pass exact values through to the origin when those small differences matter, or bypass cache when the variation is too unpredictable.

★ 2026-09-22 · open.substack.com

The Quest for Universal Flu Vaccines

Modern flu vaccines have an average efficacy of just 40 percent, and they must be revamped each year. How can we make vaccines that are “universal” — both broadly-protective and highly potent?

influenza evolves so quickly that a novel virus emerges each flu season
inactivate viruses with formaldehyde
2026-09-21 · linuxize.com

sudo Cheatsheet

sudo at a glance: running commands as root, credential caching, environment handling, sudoers rule syntax, aliases, Defaults, and logging.