Using cryo-electron microscopy and electrophysiology, this study explains the structural basis for Ca2+ permeation and Mg2+ block in NMDA receptors and identifies a surrounding lipid network that may tune Mg2+-dependent voltage sensitivity.

283KB Rust module and two compiled shaders sit behind the character grid.

Nine of 10 ships using the canal do so with a reservation, and the remaining slots are auctioned off.

Before the Iran war the average winning bid in these auctions was $135,000. But in April one shipping company eager to use the canal paid a whopping $4m.

The operator said it does not rule out further restrictions on shipping depending on how much it rains in the coming weeks.

GitLab CVE-2026–19478 is under active exploitation, with unauthenticated attacks able to modify or delete public projects under certain conditions.

Microsoft says CVE-2026–69836, a CVSS 10.0 Entra ID RCE flaw, has been exploited in the wild but is fully mitigated with no user action required.

Is a reasoning model designed for coding, sustained agentic work, and production workloads. This model is free to use. 1,048,576 token context window, maximum output of 131,072 tokens.

It’s one of the origins-of-life chicken-or-egg problems: How could RNA have helped give rise to the first cells before there were cells to contain it?

Without the compartmentalization of a cell, it would have been extremely difficult for these vulnerable molecules to have found enough of each other in the proverbial primordial soup, let alone survive the harsh conditions of the early Earth.

The answer could lie in RNA’s ability to assemble into liquid-like droplets, or condensates. These membraneless compartments could have concentrated RNA molecules, increasing opportunities for them to interact and potentially sheltering them from a hot and acidic environment.

The statute never says age verification. It just makes not knowing expensive enough that everyone will find out.

An agency created to police how companies handle personal data now decides what people can see.