Actively reducing noise by ionizing air

Did you know that wires can be used to ionize air to make a loudspeaker? Simply put, it's possible to generate sound by creating an electric field in a set of parallel wires, aka a plasma transducer, strong enough to ionize ...

How do bacteria evolve in the gut over the course of a year?

Our bodies go through several changes throughout our lives. The same happens with the microbes that live with us. After all, these make up a big portion of the cells in our organism. But, in comparison with the cells that ...

A treasure map for the realm of electrocatalysts

High entropy alloys (HEAs) are chemically complex materials made up of mixtures of five or more elements. What's interesting about them is that they offer completely new possibilities for the development of electrocatalysts. ...

Making music from spider webs

Spiders are master builders, expertly weaving strands of silk into intricate 3D webs that serve as the spider's home and hunting ground. If humans could enter the spider's world, they could learn about web construction, arachnid ...

One small grain of moon dust, one giant leap for lunar studies

Back in 1972, NASA sent their last team of astronauts to the Moon in the Apollo 17 mission. These astronauts brought some of the Moon back to Earth so scientists could continue to study lunar soil in their labs. Since we ...

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