Imperial College London researchers estimate the Ebola outbreak in eastern Congo may be several times larger than official confirmed counts show, deepening concern after WHO declared the crisis an international health emergency.

Andrej Karpathy, a founding member of OpenAI and former Tesla AI executive, has joined Anthropic’s pretraining team as the company races to advance its Claude AI models.

Russian President Vladimir Putin arrived in China on Tuesday for a two-day visit with President Xi Jinping, with energy, trade and global security expected to lead the agenda.