In defining the word "theory," Merriam-Webster.com specifically identifies the challenges associated with the word: there are two senses of theory which are sometimes troublesome. These are the senses ...

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 ...

The hypothesis that COVID-19 originated from a Chinese laboratory, rather than a naturally occurring jump from animals to human beings, received a major boost over the weekend. The Wall Street Journal ...

Last week, the pharmaceutical company Merck pulled the plug on a closely watched Alzheimer’s drug trial. The drug verubecestat, an outside committee concluded, had “virtually no chance” of benefit for ...