Caenorhabditis elegans: a model organism in Biology

Caenorhabditis elegans is a small roundworm usually found in soil that often feeds on bacteria among rotting vegetation and decaying organic matter; it is nonparasitic and nonpathogenic. Despite being a primitive invertebrate, C. elegans possesses many of the anatomical features and organs found in higher-level animals, especially pertaining to its nervous, reproductive, muscular, and digestive systems. Because C. elegans is transparent, easily observed and manipulated, has a short life cycle…

See more

Facial recognition technology: privacy and political orientation

There is growing concern that the widespread use of facial recognition technology has led and will lead to the decline of privacy and civil liberties. CCTV cameras and huge databases of facial images–taken from sources such as social media and ID card registers–make it easy to identify individuals as well as track their movements and social interactions. Plus, “facial recognition can be used without subjects’…

See more

Long COVID: what it is, impacts, and treatments

“Long COVID refers to a variety of symptoms affecting different organs reported by people following Coronavirus Disease 2019 (COVID-19) infection” (Taquet, 2021). “The symptoms of Long Covid include fatigue, dyspnea, cardiac abnormalities, cognitive impairment, sleep disturbances, symptoms of post-traumatic stress disorder, muscle pain, concentration problems, and headache” (Crook, 2021). Long Covid can be terribly debilitating and have profound effects on the people it impacts. See…

See more

The causes of Alzheimer’s disease

“Alzheimer’s disease is a progressive neurologic disorder that causes the brain to shrink (atrophy) and brain cells to die. Alzheimer’s disease is the most common cause of dementia — a continuous decline in thinking, behavioral and social skills that affects a person’s ability to function independently” (from the Mayo Clinic). Featured article: *Tang, Y., Zhang, D., Gong, X., & Zheng, J. (2022). A mechanistic survey…

See more

Extreme weather and a changing climate

Is there a connection between extreme weather events (torrential rain, polar cold, heatwaves, extended droughts, hail, hurricanes, tornadoes, and more) and a changing climate? Yes. Are extreme weather events happening more frequently? Yes. Are these extreme weather events having a greater impact–-deaths, economic losses, human migration, loss of plant and animal species and even extinction, worsening human physical and mental health, and more. Yes, again….

See more

Why do we fear change?

“Fear of change is a natural impulse; the desire to pull up the drawbridge follows. But as we have repeatedly reported, that response is irrational and self-defeating” (New Scientist, 18 June 2016, volume 230(3078), 5). Why do human beings fear and resist change? Every day in our lives, more things change than stay the same. Change is the most stable and enduring condition of life…

See more