AI Reveals Dead Sea Scrolls May Be Older Than Previously Thought
Before now, one of the few ways to date the Dead Sea Scrolls was through palaeography (the study of handwriting) and radiocarbon dating. These methods place the age of the
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Understanding Ocean Rebound After Mass Extinction Events Could Help Us in the Future
Earth has experienced five documented mass extinctions to date. With the sixth extinction around the corner, scientists are looking to the past to try and understand how life continues on
The Earth Mysteriously Pulsed Every 90 Seconds for Nine Days in 2023 — We Now Know Why
In September 2023, a strange seismic signal rippled across global monitoring stations. Every 90 seconds, for nine days straight, the Earth subtly pulsed — and then it happened again a
Nonenzymatic RNA copying with a potentially primordial genetic alphabet
Proceedings of the National Academy of Sciences, Volume 122, Issue 21, May 2025. SignificanceA long-standing challenge in primordial nonenzymatic RNA copying chemistry is the biased incorporation of C and G
Calcineurin controls the cytokinesis machinery during thermal stress in Cryptococcus deneoformans
Proceedings of the National Academy of Sciences, Volume 122, Issue 21, May 2025. SignificanceCellular responses to external stress conditions involve activation of signaling cascades, which act via effectors to govern
Partner dependency alters patterns of coevolutionary selection in mutualisms
Proceedings of the National Academy of Sciences, Volume 122, Issue 21, May 2025. SignificanceReciprocal evolutionary change between interacting species, or coevolution, is a key diversifying force that has influenced the
Trait-space patterning is dictated by the tempo and mode of mutation
Proceedings of the National Academy of Sciences, Volume 122, Issue 21, May 2025. SignificanceOur research shows that ecoevolutionary outcomes depend not only on whether mutations occur but also on how
CD83 suppresses endogenous March-I-dependent MHC class II ubiquitination, endocytosis, and degradation
Proceedings of the National Academy of Sciences, Volume 122, Issue 21, May 2025. SignificanceAntigen-presenting cells (APCs) function by binding peptides generated from endocytosed antigens and expressing these peptides on the
Researchers question reliability of Abbott’s rapid malaria tests
Reports of false negatives spur World Health Organization to issue internal memo, but the company denies problems…Read More
Bird feeders have caused a dramatic evolution of California hummingbirds
Beaks have grown longer and larger, and ranges have expanded to follow the feeders…Read More
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