#immunology

AbbVie agreed to acquire Apogee Therapeutics for nearly $11 billion, the latest in a pharma M&A wave that has totaled $123 billion in 2026 deals so far. Definium's LSD therapy met its primary endpoint in a Phase 3 trial for major depression, and the FDA reversed a four-month-old rejection of Regenxbio's gene therapy for Hunter syndrome. In AI, Samsung deployed ChatGPT Enterprise and Codex to employees worldwide in one of OpenAI's largest enterprise rollouts, while Nathan Lambert and Kevin Xu argued that banning open-source AI would damage US interests. Patrick Boyle examined how SpaceX humiliated Wall Street and Cuba announced its most sweeping economic reforms in decades, including private banking and the end of fuel subsidies.

An OpenAI reasoning model disproved an 80-year-old Erdős conjecture in discrete geometry for under $1,000 in compute, a result mathematicians are calling one of the most significant AI contributions to pure math to date. Eli Lilly's retatrutide, a triple-receptor obesity drug, produced bariatric-surgery-level weight loss in a Phase 3 trial, though dropout rates from side effects were notable. Google shipped Gemini 3.5 Flash to general availability at Google I/O and announced a $100 AI Ultra subscription tier. The acting head of NIH's infectious disease institute stepped down as senators pressed NIH Director Jay Bhattacharya on leadership gaps and a proposed 2027 budget cut. Kevin Warsh was confirmed and sworn in as the new Federal Reserve chair this week.