Science Illustrated

You can hear it in your voice

You are feeling rather unwell, but don’t fancy making a trip to the doctor. Instead you pick up your mobile phone, saying: “Hi Siri, is anything the matter with me?” Moments later, the personal assistant responds, telling you whether you have COVID-19, are depressed, or even have early signs of Parkinson’s disease.

Your voice can reveal what is wrong with you. This isn’t a new realisation: doctors have known this for many years. A hoarse and nasal voice is a clear indication of a sore throat or a cold. One of the criteria for making a diagnosis of bipolar disorder is that manic patients speak a lot, and fast.

However, the voice includes

You’re reading a preview, subscribe to read more.

More from Science Illustrated

Science Illustrated1 min read
Pygmy Rock Wallabies Bite Big
ZOOLOGY Talking of teeth, smaller animals generally have a hard time eating the same foods as larger ones, simply because their jaws and teeth are smaller. “For example, a chihuahua wouldn’t be able to chew on a big bone as easily as a German Shepher
Science Illustrated1 min read
Houseflies Are All-seeing Aerialists
→ Instead of hind wings, flies have two small lollipop-like structures known as balancers. These act as gyroscopes that stabilise the fly in the air and help with complex aerial manoeuvres and rapid changes of direction. → A fly’s large eyes are extr
Science Illustrated1 min read
Megapixel // Ant Attack
A photographer triggered this acid attack by an entire army of red wood ants, and bravely stayed to capture this image. The species builds hills up to 2 metres high from pine needles and twigs, siting them on the edges of woods and in clearings. A si

Related Books & Audiobooks