Around one in 20 people has attention-deficit hyperactivity disorder (ADHD). It’s one of the most common neurodevelopmental disorders in childhood and often continues into adulthood. ADHD is diagnosed when people experience problems with inattention and/or hyperactivity and impulsivity that negatively impact them at school or work, in social settings, and at home. Some people call ...
You were probably taught that you have five senses: sight, sound, smell, taste, and touch. This is not quite right: “Touch” is not a single sense, but rather several working together. Your body contains a network of sensory nerve cells with endings sitting in the skin that detect an array of different physical signals from ...
Some 9,700 years ago, on an autumn day, a group of people were camping on the west coast of Scandinavia. They were hunter-gatherers who had been fishing, hunting, and collecting resources in the area. Some teenagers, both boys and girls, were chewing resin to produce glue just after eating trout, deer, and hazelnuts. Due to ...
We tend to just think of viruses in terms of their damaging impacts on human health and lives. The 1918 flu pandemic killed around 50 million people. Smallpox claimed 30 percent of those who caught it, and survivors were often scarred and blinded. More recently, we’re all too familiar with the health and economic impacts ...
There’s no shortage of apps and technology that claim to shift the brain into a “theta” state of brain activity — said to help with relaxation, inward focus and sleep. But what exactly does it mean to change one’s “mental state”? And is that even possible? For now, the evidence remains murky. But our understanding ...
Geology is an amazing subject. Especially now when so much is happening around the world in terms of volcanic eruptions and seismic activities. Let’s review how the interior of the Earth is structured. We’ll take a journey into the depths of the Earth, down through the crust and mantle, nearly to the core. We’ll use ...
In a recent breakthrough development, researchers have succeeded in using brain-computer interfaces to convert thoughts into text messages. The study findings show how brain-computer interfaces can pave the way for converting thoughts into legible texts. The concept of creating a text using the mind sounds like science fiction, but it has already happened in reality.
A world-first study has revealed how space travel can cause lower red blood cell counts, known as space anemia. Analysis of 14 astronauts showed their bodies destroyed 54 percent more red blood cells in space than they normally would on Earth.
You may have read about creatures in fairy tales that resemble humans but are way too big in stature. Numerous fantasy movies have been made that include such creatures and their worlds. You may also recall poems like ‘The Giant Toy’ by Adelbert von Chamisso mentioning them. However, have you ever thought about whether or ...
Having trouble hearing? Just turn up your shirt. That’s the idea behind a new “acoustic fabric” developed by engineers at MIT and collaborators at Rhode Island School of Design. The team has designed a fabric that works like a microphone, converting sound first into mechanical vibrations, and then into electrical signals, similar to how your ...
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