Control over friction, from small to large scales

Friction is hard to predict and control, especially since surfaces that come in contact are rarely perfectly flat. New experiments demonstrate that the amount of friction between two silicon surfaces, even at large scales, ...

What makes sustainable consumption so difficult?

While many people want to achieve major long-term goals—such as improving their diet, quitting smoking or adopting a more sustainable lifestyle—they often find it difficult to do so. Is it all down to a lack of self-discipline? ...

Study discovers colliding ribosomes activate RNA repair

Aldehydes are toxic compounds that are produced in the body by metabolic processes, especially upon alcohol consumption. They are dangerous because they bind to cellular macromolecules, such as DNA, RNA, and proteins, and ...

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