From late April 2026 to mid-June 2026, Microsoft Defender Experts observed increased ACR Stealer activity across customer ...

Lorenzo Ray Coleman Jr., accused of murdering two women in Immokalee, agreed to be held without bond while he works on ...

agent 就是你写的那段程序，trainer 就是一个 actor，reward 是你在 Env 或 ChatAgent 里随手写的任意 Python。剩下的活儿三个大件全包了。README 里反复强调一个数字：大约 8600 行 RL 代码（推文里说的 9K 是个约数），却能撑到 1T 级别的 MoE。 OpenRLHF 的 ...

Anthropic is hiring AI safety experts to stop its models from being misused for nuclear threats, explosives, cybercrime, ...