Neuroscience

Eavesdropping on the pH levels inside the brain

Researchers at Tohoku University have developed the first all-in-one miniature pH probe for real-time investigations of intrinsic extracellular pH dynamics in the deep brain structures.

Medications

What happens to medicines after their use-by dates

It is estimated that there is a staggering £300m worth of medicine unused in the UK every year. But is it safe to take these medicines if they are past their expiry date?

Neuroscience

The way of making memories

How does the brain translate information from the outside world into something we remember? An international team of researchers working in the Human Brain Project have zoomed in on the neuronal circuits in the striatum, ...

Health

Half of all Germans regard tattoo inks as safe

Roughly one in eight Germans has a tattoo. A recent representative survey conducted by the German Federal Institute for Risk Assessment (BfR) shows that many people consider tattoos to be safe, with almost 90 percent of people ...

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Chemical structure

A chemical structure includes molecular geometry, electronic structure and crystal structure of a chemical compound. Molecular geometry refers to the spatial arrangement of atoms in a molecule and the chemical bonds that hold the atoms together. Molecular geometry can range from the very simple, such as diatomic oxygen or nitrogen molecules, to the very complex, such as protein or DNA molecules. Molecular geometry can be roughly represented using a structural formula. Electronic structure describes the occupation of a compound's molecular orbitals.

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