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SARS-CoV-2, the virus that causes COVID-19, enters our body through our nose and mouth, and therefore, covering your face minimizes the chances of getting infected with coronaviruses. The most commonly used masks are surgical masks and N95/FFP2 masks. But how effective are they? When an infected person sneezes or…

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A satellite constellation is a group of artificial satellites, working together. In the coming decades, companies like SpaceX, and Samsung are planning to launch a number of satellite constellations. These satellites will allow users to enjoy more reliable connectivity, independent of their location throughout the…

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A team of scientists has made valves which can operate on tiny channels of fluid the width of 3 human hairs! This paper, published in the Journal of Biomedical Microdevices, represents a step forward in lab technology. Creating a tiny valve like this could have important implications for cancer research, where fluids…

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Have you ever driven past an old factory building and wondered what ever happened to the harsh chemicals that were used there? If you guessed that a lot of the chemicals ended up in the environment, you would be right. Many of these pollutants are what we refer to as “halogenated hydrocarbons”. These are molecules…

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Cement is one of those common building materials that you can find just about anywhere. When the cement starts to get cracked, fixing it is generally an easy task that involves widening the crack slightly before filling it with more cement. Now, imagine having to fix cracking cement that is buried 1 kilometer (3281…

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All life on Earth has to respire. For us this means inhaling oxygen to fuel our metabolism and exhaling waste gases like carbon dioxide. When we do this, we move the energy  from the food we eat to the oxygen we breathe, creating a flow of energy that our cells use for growth. This is called respiration. However, not…

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Scientists use advanced lab techniques to examine every detail of the ruby slippers to understand what they are made of, the age of the materials, and their present state. As a result, they learned how to protect them from deteriorating further.

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Open office designs have been hailed for their economic benefits and helping people work together. On the other hand, a survey by a research firm showed that workers in an open office can lose up to 86 minutes of productivity per day due to distractions, like the constant humming of machinery or computers. In this…