Neuroscience

Tone of voice matters in neuronal communication

The dialogue between neurons is of critical importance for all nervous system activities, from breathing to sensing, thinking to running. Yet neuronal communication is so fast, and at such a small scale, that it is exceedingly ...

Medical research

Scientists unveil how general anesthesia works

Hailed as one of the most important medical advances, the discovery of general anesthetics—compounds that induce unconsciousness, prevent control of movement and block pain—helped transform dangerous and traumatic operations ...

Neuroscience

What birdsong tells us about brain cells and learning

Most scientists who study the brain believe that memories are stored through networks of synapses, or connections that form between neurons. Learning takes place as neurons form new connections and strengthen or weaken existing ...

Cardiology

New research could reduce the risk of sudden cardiac death

Around 26 million people worldwide suffer from heart failure, with more than 50 per cent dying suddenly most likely due to the spontaneous onset of a heart rhythm problem, known as an arrhythmia. The link between the electrical ...

Neuroscience

Why myelinated mammalian nerves are fast and allow high frequency

University of Alabama at Birmingham researchers, for the first time ever, have achieved patch-clamp studies of an elusive part of mammalian myelinated nerves called the Nodes of Ranvier. At the nodes, they found unexpected ...

Cardiology

Widely used blood pressure drugs might put heart at risk

Drugs based on a molecule called dihydropyridine are commonly prescribed by doctors to treat high blood pressure and angina, a chest pain caused by reduced blood flow to the heart. However, there's a chance that these same ...

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