Mathematicians Crack a Fractal Conjecture on Chaos

A new study has identified a mechanism by which mRNA COVID vaccines may, in rare instances, lead to myocarditis, a form of heart inflammation. This condition can also occur as a result of the COVID-19 disease itself, highlighting a potential link between vaccination and heart health concerns.

An improved model of the sun's magnetic field, known as the terminator model, has been proposed, which could enhance the accuracy of space weather predictions. This advancement is expected to provide better insights into the sun's behavior and its impact on space weather phenomena.

Recent research highlights how animals form unlikely alliances, known as cross-species defense pacts, to effectively monitor and deter predators and parasites. These collaborations enhance their survival strategies in the wild, showcasing the complexity of animal interactions.

A new report emphasizes that future human missions to Mars should prioritize the search for extraterrestrial life, highlighting the importance of this endeavor in understanding the planet's potential for hosting life. The study outlines strategic plans for crewed missions aimed at uncovering signs of life beyond Earth.

Recent excavations in Pompeii have uncovered a house frozen mid-renovation, revealing lime granules in the ancient walls that suggest the Romans used a reactive hot-mix method for making concrete. This finding highlights the advanced construction techniques employed by the Romans nearly 2000 years ago.

Karen Hao's investigation in 'Empire of AI' reveals the inner workings of OpenAI, emphasizing that the future of artificial intelligence remains within human control. The book is featured on the 2025 Best Nonfiction of the Year list, highlighting its significance in understanding AI's trajectory.

A supermassive black hole has been observed by X-ray space telescopes ejecting matter into space at speeds reaching 130 million miles per hour, approximately a fifth of the speed of light. This remarkable event highlights the dynamic behavior of black holes and their influence on surrounding cosmic environments.

The Geminids meteor shower, which began on December 4, is anticipated to peak on the night of December 13-14, 2025, providing an exceptional opportunity for skywatchers to observe up to 150 meteors per hour under ideal conditions. This annual event is renowned for its vibrant and colorful shooting stars, making it a highlight in the astronomical calendar.