cell & molecular biology
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Live Slow, Die Old
By Ed Yong
Ancient bacteria living in deep-sea sediments are alive—but with metabolisms so slow that it’s hard to tell.
Synchronized Clocks
By Megan Scudellari
Researchers identify the first circadian clock component conserved across all three domains of life.
Gene Signaling by Remote
By Edyta Zielinska
Researchers use radio signals to switch on nanoparticles that activate insulin production in mice.
Six Threats to Chromosomes
By Ed Yong
Researchers identify two new DNA repair systems, in addition to four that were already known, that can attack unprotected telomeres.
Nervous Mice Get Worse Cancer
By Edyta Zielinska
Anxious mice are more likely to come down with aggressive skin cancer than those who show less stress on behavioral tests.
Telomeres in Disease
By Rodrigo Calado and Neal Young
Telomeres have been linked to numerous diseases over the years, but how exactly short telomeres cause diseases and how medicine can prevent telomere erosion are still up for debate.
Telomere Basics
By Rodrigo Calado and Neal Young
Telomeres are repetitive, noncoding sequences that cap the ends of linear chromosomes. They consist of hexameric nucleotide sequences (TTAGGG in…
Building a Better Sheep
By Bob Grant
Chinese scientists claim to have cloned a lamb carrying a roundworm gene that aids in the production of polyunsaturated fatty acids.
Stem Cell Researcher Fabricates Data
By Edyta Zielinska
A scientist who claimed to have injected monkey embryonic stem cells into the eyes of rats to improve their vision accepts the penalty for research misconduct.
Plant RNA Paper Questioned
By Emily Willingham
Remarkable findings of ingested plant miRNA in animal liver and blood draw speculation about the study’s validity.
