Index aims for fair ranking of scientists
Monsoons may dry up
Bacteria designed to make new antibiotics
Nanotech transistor powers up
Military exercises 'good for endangered species'
Climate argument solved?
Research highlights In this issue
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Web Focus Senescence: Cells, ageing, and cancer
Is growing old a good thing? As cells mature they naturally stop dividing and enter a period called senescence. But cellular senescence can also be induced prematurely by certain oncogenes involved in cancer development.
Four papers in Nature show that, as previously suggested by in vitro studies, oncogene-induced cellular senescence represents a safety mechanism to suppress tumour progression in vivo.
Cellular senescence also plays a key role in ageing.
In this web focus, Nature brings together articles on senescence and cancer with key publications in ageing research, including primary research papers, News & Views and a review article.
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Snapshot: Sunlight on an icy martian crater
Common mechanisms of nerve and blood vessel wiring
Genome-wide analysis of human kinases in clathrin- and caveolae/raft-mediated endocytosis
Gene regulation: Expression and silencing coupled