Getting fit amplifies the brain’s response to workouts, triggering bursts of a growth protein BDNF that strengthens neural connections.
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Evolution isn’t random. Scientists find the same genes used for 120 million years
Evolution seems to follow a script more often than expected. Researchers found that distantly related butterflies and moths have reused the same pair of genes for over 120 million years to produce strikingly similar warning colors. Rather than altering the genes themselves, evolution modifies how they’re switched on and off. This discovery hints that life may evolve in more predictable ways than previously believed.
This laser turns metal into a star-like plasma in trillionths of a second
In a striking glimpse into extreme physics, scientists have captured the split-second chaos that unfolds when powerful laser flashes blast matter into a superheated plasma. By combining two cutting-edge lasers, researchers were able to track how copper atoms lose and regain electrons in trillionths of a second, creating and dissolving highly charged ions in a rapid, almost cinematic sequence.
Citraconate preserves T cell stemness and antitumor immunity
The metabolite citraconate can preserve T cell stemness and suppress exhaustion, promoting antitumor immunity and responses to immunotherapies in mice.
Learn more in Science Immunology.
Sci. Immunol. 11, eadz0348 (2026). DOI:10.1126/sciimmunol.adz0348
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Relamination: A mechanism that has been shaping continents for billions of years
An international team led by researchers from the National Museum of Natural Sciences (MNCN-CSIC) has identified a key mechanism that has shaped Earth’s continents over billions of years. This mechanism is the deep re-lamination of subducted continental crust, a process that explains the origin of certain magmas and offers a new perspective on continental evolution from the Archean (between 3.8 and 2.5 billion years ago) to recent times.
The study, published in the journal Nature Geoscience, combines numerical geodynamic modeling and high-pressure experiments to unravel how fragments of continental crust can give rise to hybrid magmas that fuel major magmatic events following continental collisions, generating new crust.
During continental collisions, one plate sinks beneath another—a process known as subduction. This study demonstrates that the less dense crust breaks away from the subducted plate and rises again, becoming integrated into the lithospheric mantle of the overlying plate in a process called relamination.