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Recording the neural activity of cells in the brain of patients with Parkinson's disease challenges long-standing assumptions about how this disease manifests at the cellular level.

The speed at which a cell fate decision in nematode worms evolves is due to the number of genes that control the decision, rather than to a high mutation rate.

New measures of influenza virus fitness could improve vaccine strain selection through more accurate forecasts of the evolution of the virus.

The mechanisms responsible for the trafficking of carboxylate ions across cell membranes are becoming clearer.

High levels of proteins called proteoglycans in the walls of umbilical arteries enable these arteries to close rapidly after birth and thus prevent blood loss in newborns.

Scientists have created the most detailed map of the fruit fly brain to date, identifying over 25,000 neurons and 20 million synapses.

Unexplained repeated pregnancy loss is associated with an altered perception of male odors and differences in brain regions that process smells.

Lizards that live in the Greater Antilles exploit a large range of skeletal variations to adapt to similar habitats, in defiance of the theory of plasticity-led evolution.

Experiments on mitochondrial DNA in worms highlight that cheating does not always pay off.

Three independent studies show that a protein called ZCWPW1 is able to recognize the histone modifications that initiate the recombination of genetic information during meiosis.