Bird flu has appeared for the first time in California elephant seals, leading to the deaths of dozens of young pups, marking a concerning new development in the spread of avian influenza.

• Bird Flu Strikes California Elephant Seals for the First Time — The New York Times Health -

The leader of Columbia Brain Institute has resigned due to his past association with Jeffrey Epstein, highlighting the ongoing scrutiny of ethical conduct in high-profile scientific leadership.

• Leader of Columbia Brain Institute Quits Over Friendship With Epstein — The New York Times Health -

Fifteen states are suing the Trump administration over recent revisions to the recommended vaccine schedule for children, arguing that the changes lack scientific basis.

• 15 States Sue the Trump Administration Over Vaccine Schedule Revisions — The New York Times Health -

The passing of Susan Leeman at 95 marks the end of an era for a trailblazing scientist whose discoveries illuminated how the brain influences the body, including identifying key chemical signals for chronic pain.

• Susan Leeman, 95, Dies; Explored How the Brain Influences the Body — The New York Times Health -