Evolution

Fight or flight: The potential co-evolution of powered flight and disease resistance in bats

In the wake of COVID-19, bats have swooped into the spotlight due to their ecological role as natural reservoirs for viruses. Some of these viruses, such as SARS-CoV-2, can cross into different species, becoming zoonotic viruses. But despite the cocktails of viruses existing in bats across over a thousand species, they remain mostly asymptomatic when […]

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The world’s oldest heart: Evolutionary insights from the 380 million-year-old fossil

In September of 2022, a research team working at the Gogo Formation sedimentary deposit in western Australia discovered the world’s oldest heart, located inside a fossilized prehistoric fish. The fish, classified as a placoderm, had been dead for approximately 380 million years.  The placoderm is crucial to studying the evolution of modern-day vertebrates. Because they

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Are Pearls the Key to the Next Supermaterial?

The outsides of oysters appear rugged and dreary, but embedded inside lie beautiful, iridescent pearls. Their beauty has made them a sought-after object of vanity and aesthetics in the jewelry industry. However, this gem might be good for more than just earrings and necklaces; scientists are currently investigating its complex formation and how the organization

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Spleen or scuba tank? How we hold our breath for longer underwater

The Bajau people of Southeast Asia spend 60 percent of their workday underwater. Commonly known as the Sea Nomads, the Bajau population has survived for over 1,000 years collecting and hunting food through underwater diving. Their extraordinary breath-holding capabilities seem almost humanly impossible. When the brain experiences hypoxia — the deficiency of oxygen in bodily

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A brief history of memes: The forgotten past of an internet phenomenon

In February 2015, the internet was afire with debate about a dress. #TheDress, as it became known, was a picture of a dress that people either saw as black and blue or gold and white. A matter of chromatic perspective, and certainly a problem with no right answer, #TheDress was the subject of heated debate

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A closer look at transparent animals — if only we can look!

Upon first sight, transparent animals seem like ethereal creatures from alternate dimensions of the universe. However, thousands of species of transparent animals inhabit regions all across the world — mainly in marine habitats. These animals lack pigment, allowing light to pass through them and scatter instead of reflecting, which gives them their transparency. From the

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