COVID-19

by Ya’el Courtneyfigures by Gracyn Mose COVID-19, the disease caused by the SARS-CoV-2 virus, has killed over 1 million Americans from 2020 to 2024. This number is startling, especially considering that the harm of COVID-19 extends beyond loss…

by Sanjana Kulkarnifigures by Swathy Karamchedu Forensic DNA testing has become crucial in criminal investigations and legal proceedings. DNA has linked people to crime scenes using hair or blood and exonerated wrongfully convicted individuals. This…

Researchers have discovered that persistent COVID infections may contribute to viral evolution and long COVID.

Researchers have discovered that COVID-19 patients with low levels of cortisol—a hormone that regulates inflammation—are more likely to develop long COVID.

by Ya’el Courtneyfigures by MacKenzie Maugeredited by  Yuli Lily Hsieh January 2023 marked the third anniversary of the discovery of SARS-CoV-2, the virus responsible for the COVID-19 pandemic that halted life as we knew it. It overwhelmed hospitals…

by Piyush Nandafigures by Shreya Mantri Gravity has been apparent for thousands of years: Aristotle, for example, proposed that objects fall to settle into their natural place in 4th century BC. But it was not until around 1900, when Issac Newton…

by Sanjana Kulkarni SARS-CoV-2 may have spread to humans from an animal host, but it is not the only disease-causing agent (i.e. pathogen) to have done so. Lyme disease, Ebola virus, influenza, HIV, the plague, and rabies virus are just some examples…

by Misha Guptafigures by Xiaomeng Han For close to two centuries, humans have been studying the biological past using fossil records. In recent history, we have added the ability to reconstruct the sequence of our DNA to our arsenal. Furthermore,…

by Sanjana Kulkarnifigures by Corena Loeb The bacteria Mycobacterium tuberculosis (TB) has been infecting humans for thousands of years. Today, TB, which is thought to have originated in Africa and evolved alongside human hosts, is found across the…

What is something we can do to fight against COVID-19 and improve indoor air quality for human health? Portable high efficiency particle air (HEPA) cleaners and masking can significantly reduce exposure to SARS-CoV-2 aerosol particles.