Image: Sloshing in space

ESA astronaut Alexander Gerst during his 2018 stay on the International Space Station, with two floating SPHERES robots tethered to a container of liquid, serving to simulate the experience of pulling a derelict satellite ...

Bouquets of nanoflowers with a golden touch

Using nano-sized spheres as a starting point, researcher Juan Wang of the University of Twente (MESA+ Institute) creates fascinating structures that can have a wide range of shapes and functionalities. They can even achieve ...

Deflating beach balls and drug delivery

Many natural microscopic objects—red blood cells and pollen grains, for example—take the form of distorted spheres. The distortions can be compared to those observed when a sphere is 'deflated' so that it steadily loses ...

Managing mutations of a species: the evolution of dog breeding

In the first edition of On the Origin of Species, Charles Darwin mentions dogs 54 times. He does so mainly because the extraordinary variation between dog breeds provides a marvellous illustration of the power of selection. ...

Popular new construction material helps measure protein particles

Understanding how proteins clump together is essential in modern pharmaceuticals. When these tiny particles aggregate, they can alter the effectiveness of both vaccines and drugs, especially many of the new, popular formulations ...

Subtlety and the selective art of separating lanthanides

Lanthanide elements are essential parts of today's high-tech commodities including flat-screen TVs, cell phones, electric cars, and satellites. While the demand for these elements is high, separating lanthanides from impurities ...

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