New research profiles mitochondrial circular RNAs in Peripheral Blood Mononuclear Cells (PBMCs) from young and old human cohorts and probes how mitochondrial circRNAs and the mitochondrial RNA-binding protein GRSF1 relate ...
Molecular & Computational biology
Feb 28, 2026
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76
Early mammalian ancestors were nocturnal, sleeping during the day while the dinosaurs dominated the land. However, some mammalian lineages, including human ancestors, independently transitioned to diurnality (active during ...
Evolution
Feb 27, 2026
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64
The human genome is a rich, complex record of migration, encounters, and inheritance written over thousands of millennia. Genomic research by members of Sarah Tishkoff's lab at the University of Pennsylvania are revisiting ...
Evolution
Feb 26, 2026
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455
RIKEN researchers have discovered how an enzyme modifies gene expression by targeting certain stretches of messenger RNA (mRNA) while leaving others alone. This finding could contribute to the rational design of drugs that ...
Biotechnology
Feb 26, 2026
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20
Anyone who has seen a hummingbird poking her beak deep into a trumpet creeper blossom, or a honeyeater using its brush-tipped tongue to extract nectar from eucalyptus flowers, has witnessed something that, from a human perspective, ...
Evolution
Feb 26, 2026
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49
Seven weaned elephant seal pups in California's Año Nuevo State Park tested positive for highly pathogenic avian influenza (HPAI) H5N1, the U.S. Department of Agriculture's National Veterinary Services Laboratory confirmed ...
Plants & Animals
Feb 25, 2026
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29
Powerful, fierce and the king of the Cretaceous world, Tyrannosaurus rex was the ultimate apex predator. But it was also surprisingly dainty on its feet, according to new research. Findings published in the journal Royal ...
Humans differ from other primates due to their relatively large, permanent breasts, and their development has so far not been conclusively explained. According to a study conducted at the University of Oulu, Finland, the ...
Evolution
Feb 25, 2026
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50
Aleksey Maro knows far more than he cares to know about the urination habits of chimpanzees. But if you want to measure the alcohol intake of chimps in a Ugandan rain forest, where a breathalyzer is impractical, collecting ...
Plants & Animals
Feb 24, 2026
0
122
For decades, scientists viewed the genome of a newly fertilized egg as a structural "blank slate"—a disordered tangle of DNA waiting for the embryo to wake up and start reading its own genetic instructions. In research published ...
Biotechnology
Feb 24, 2026
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