Big-Hearted: Arrhythmia in the World’s Largest Living Animal

Mariam Malik ‘22 Bradycardia is a slower-than-normal heart rate, and can vary depending on age and physical condition. According to the American Heart Association, a heart rate lower than sixty beats per minute (BPM) qualifies as bradycardia. Tachycardia, on the other hand, is a heartbeat that is too fast, specifically one that beats over a hundred times per minute. Both conditions vary by age and … Continue reading Big-Hearted: Arrhythmia in the World’s Largest Living Animal

Environment Dependent Dietary Adjustment by Invasive Aquatic Species

Fatin Chowdhury ‘20 Recently, researchers at three Brazilian universities examined patterns of feeding behavior displayed by the Knodus moenkhausii fish invasive to Brazil. The researchers described a two-fold hypothesis. Firstly, the species is expected to be non-specialist and opportunistic, feeding on whatever food source is most readily accessible. Secondly, resource abundance affects the nature of the trophic niche it resides in. Accordingly, flexibility in diet … Continue reading Environment Dependent Dietary Adjustment by Invasive Aquatic Species