Did you know that you can often tell whether a bird is male or female by how colourful it is? For many species, males have bright, eye-catching feathers while females are plainer. Sometimes, however, these bright colours are actually a disguise. Scientists were studying the white-necked jacobin (a type of hummingbird) when they noticed that … Continue reading Hummingbirds dress up to avoid being noticed
Month: Aug 2021
Scientists 3D print brain tumours
3D printing generally uses metal or plastic, but it isn’t limited to these materials. Chocolate, pasta and ash are among the stranger ingredients that have been printed, but none are as weird as a recent development – 3D printed brain tumours. As anyone who’s gone through treatment can confirm, killing cancer is currently very difficult; … Continue reading Scientists 3D print brain tumours
How to make bendy ice
Imagine bending an icicle. As weird as this sounds, it should be possible, and scientists have just made it happen (on a very small scale). Using simulations, we can calculate how bendy a material should be, but this doesn’t always match what we measure. Normal ice can only bend about 2 percent as much as … Continue reading How to make bendy ice
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