People who live to 110 years and older have large populations of a rare type of immune cell that can kill cancer1, finds a study published today in Cell Reports. It is possible that such cells, called killer T cells, might help people to live to extraordinarily long ages by fighting off cancer — although
WASHINGTON — Canada has dodged President Donald Trump’s threat of 50% tariffs — at least for now. Trump went on social media late Tuesday to say he was pausing for three days the taxes on $20 billion worth of Canadian imports less than two hours before they were set to go into effect. Speaking to
The water level at Lake Powell, the United States’ second-largest reservoir, has fallen to a record low, heightening concerns about the ongoing crisis in the Colorado River system. The alarming milestone at Lake Powell, reached Saturday, comes about a week after the river’s other major reservoir, Lake Mead, also hit a historic low. Plummeting water
Anthropic is trying to calm everyone down over its new watermark. The company sparked a wave of discourse this week when it updated a support page for its Claude model to reveal its plans to mark AI-generated text as AI-generated. Now, after concerns from Claude users, Anthropic has published a blog post on Friday that
White House press secretary Karoline Leavitt will step down from her role at the end of August to spend time with her young children and family, after welcoming her second child in May. “Karoline will now be one of my top outside advisors, and an influential voice within the Republican Party,” President Donald Trump wrote
Mark Zuckerberg says the future should come with a personal AI agent that knows you, works for you, and never clocks out. In a 6,500-word blog post published Monday, the Meta CEO laid out his case for “personal superintelligence,” which centers on advanced AI distributed to individuals, rather than controlled by a small group of
