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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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Graphene is a carbon-based material used extensively in electronics, biomedical devices, semiconductors, and space and aerospace industries. What makes graphene unique and useful is its structure. It forms very thin sheets in a “honeycomb” pattern, which can efficiently conduct heat and electricity and are also…

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How and why humans exist are questions that have challenged different cultures ever since the dawn of civilization. Many scientists have taken upon their shoulders the duty of answering these fundamental questions, coming up with several especially creative ideas over the past few decades.  One prominent idea is that…

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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…