Magnetite nanowires with sharp insulating transition

Magnetite (Fe3O4) is best known as a magnetic iron ore, and is the source of lodestone. It also has potential as a high-temperature resistor in electronics. In new research led by Osaka University, published in Nano Letters, ...

The world's oldest autograph by a Christian is in Basel

A letter in the Basel papyrus collection describes day-to-day family matters, and yet is unique in its own way: It provides valuable insights into the world of the first Christians in the Roman Empire, which is not recorded ...

Put off by US, Chinese students eye other universities

Caught in the crossfire of the US-China trade war, Chinese students are looking for alternative study destinations—threatening to turn off an important source of revenue for American universities.

DNA origami to scale-up molecular motors

Researchers have successfully used DNA origami to make smooth-muscle-like contractions in large networks of molecular motor systems, a discovery which could be applied in molecular robotics.

Image: Storm in the Teacup quasar

This image shows a quasar nicknamed the Teacup due to its shape. A quasar is an active galaxy that is powered by material falling into its central supermassive black hole. They are extremely luminous objects located at great ...

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