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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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When studying Earth’s past, researchers want to understand how nutrients like nitrogen cycled and the impact biology had on them. Scientists rely on ancient rock, soil, fossils, and marine sediment to understand the world that used to be.  Approximately 2.5 billion years ago, oxygenic photosynthesis, the form of…

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Imagine wandering through a vast desert, empty for thousands of miles in every direction. Think about the relief and joy you’d feel to encounter an oasis full of life. Swimming through the open ocean, bumping into a coral reef must offer the same burst of biodiversity. Yet, these unique ecosystems are very sensitive…

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Have you ever spent extra time at the store trying to decide which sunscreen to purchase? We try to protect ourselves from the Sun’s ultraviolet (UV) rays to minimize the risks of contracting skin cancer or photoaging (changes to skin caused by UV exposure), yet never think twice about the effects of these products…