Category: physiology

Biology, Cellular and Molecular Science, Genetics, Molecular Biology, physiology

HP1𝛼: How DNA Unwrapping can Support Heterochromatin Maintenance

Author: Sean Krivitsky, Class of 2026 Many have been led to believe that DNA contains all the information we need, but the regulation of the expression of genes encoded in DNA is also incredibly important. This differentiates humans from, for instance, gorillas, which otherwise share more than 98% genetic identity to humans. One level of regulation is at the level of chromatin, which results from … Continue reading HP1𝛼: How DNA Unwrapping can Support Heterochromatin Maintenance

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Exercise, Health, Health and Medicine, physiology

Whiskers, Weight, and Wheat: Is it the Carbs?

Author: Sajia Athai, Class of 2026 Walking through the streets of the city, every New Yorker knows the best spots: the thrift stores, the restaurants, parking lots to chill at, but most importantly, the cat cafes. Everyone loves cats, especially the big, cute, and fluffy ones. With cat videos always going viral across the country, viewers are often quick to judge the health of seemingly … Continue reading Whiskers, Weight, and Wheat: Is it the Carbs?

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Ecology, Health, Natural World, physiology

The Ethics of Animal Use in Research

Author: Antonia Truta, Class of 2028 Is the use of animals in research for human benefit morally justified? If so, how can experiments maintain ethical integrity while still advancing scientific goals? Professor Marcel Mertz at Hannover Medical School and a diverse range of colleagues, including scientists, philosophers, and legal scholars, explore these questions with a focus on animal models in research. The emerging field of … Continue reading The Ethics of Animal Use in Research

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2024-25, Genetics, Molecular Biology, physiology

Osmotic Stress Alters Circadian Rhythm

Asher Agarwal, Class of 2027 The circadian rhythm regulates many physiological processes via transcriptional feedback loops involving proteins such as Bmal1 and Clock. Circadian rhythm is closely tied to cell-cycle progression, and disruptions in one can affect the other. Hypoosmotic stress causes water to rush into a cell, triggering changes in gene regulation to adapt to the stress. Caveolae, protein invaginations in the cell membrane, … Continue reading Osmotic Stress Alters Circadian Rhythm

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