Where and when the Covid-19 pandemic began — in Wuhan, China in late 2019 — is well known. How it began is a matter of heated controversy. There are two competing hypotheses, one of which is hindering ...

What if everything we know about the world is just a simulation? This thought-provoking question has been at the center of the Simulation Theory, a concept that has become increasingly popular in ...

Piller is an investigative journalist for Science. In November 2022, Dennis Selkoe, a Harvard professor of neurologic diseases and among the most celebrated and prolific Alzheimer’s researchers, ...

Mainstream science has done its best to debunk the notion, but a belief in a world-changing series of prehistoric impacts continues to gain momentum. Credit...Photo illustration by Ricardo Tomás ...

You probably use science words every day without thinking twice about them. Someone might tell you they have a theory about why traffic was terrible, or a company might brag about making a quantum ...

The notion that some level of microbial exposure might reduce our risk of developing allergies has arisen over the last few decades and has been termed the hygiene hypothesis. Now, an article ...

If the oceans of the world were filled with microbes that used retinal, the oceans would have reflected much more light in ...

The animated sci-fi series Scavenger’s Reign takes viewers to the strange planet of Vesta, where womb-like sacks hang from trees and floating fluff balls stick to skin. It’s a hostile and merciless ...

Alzheimer’s disease is by far the most common cause of dementia, a progressive decline in brain function most common among the elderly. In America more than 6m people live with the disease, at a cost ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. In the early 1900s, Piller notes, people often weren’t living long enough to develop ...

Mark Louie Ramos does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...