Darin Nakakihara, who built a large following by sharing his ALS journey online, has died after posting a final message urging people to love deeply, live fully and find joy.

Japanese researchers at Kitano Hospital in Osaka have initiated human clinical trials of a groundbreaking antibody treatment designed to regrow teeth by reactivating dormant tooth buds, promising a revolutionary alternative to implants and dentures.

On July 9, 2025, Earth recorded its shortest day ever—1.3 to 1.6 milliseconds shorter—raising the possibility of a rare “negative leap second” by 2029 to realign atomic time with planetary rotation.

President-elect Donald Trump has nominated Dr. Mehmet Oz to lead the Centers for Medicare and Medicaid Services, citing his medical expertise and public profile.