The increasing prevalence of new coronavirus variants is raising questions about how well protected those who’ve already had their COVID-19 shots are against evolving forms of the SARS-CoV-2 virus. Here, microbiology and infectious disease specialist William Petri of the University of Virginia answe

Researchers say a London man appears to be free of the HIV virus after a stem cell transplant. It's the second such success since 'Berlin patient' Timothy Ray Brow. The London patient has not been identified. He was diagnosed with HIV in 2003. He developed cancer and agreed to a stem cell transplant...

California microbiologist Kary Mullis, Ph.D. on whether or not HIV is the probable cause of AIDS. Created and narrated by Gary Null, Ph.D.

The trillions of bacteria in your gut have more of a relationship with your brain than you may realize. Technically known as the enteric nervous system, the second brain consists of sheaths of neurons embedded in the walls of the long tube of our gut, or alimentary canal, which measures about nine m...

Giraffes are beloved of evolutionary biologists for a number of reasons. They are, of course, the tallest of all living animals, and that elegant neck is the primary reason why. The origin of that beautiful neck has also been attributed to sexual selection. This is where the sex lives of giraffes ge...

PrEP, the FDA-approved HIV prevention medication, has become an increasingly popular safeguard among gay and bisexual men; however the pill is not without controversy. CNN's Sanjay Gupta reports.

In this instructional video, you will be shown how to properly label, store and pack your breast milk for donation to help premature infants in the neonatal intensive care unit (NICU).

The Temple University School of Medicine research team's approach looks promising as they work towards a permanent cure and potential for protection against HIV. "This is one important step on the path toward a permanent cure for AIDS," says Kamel Khalili, PhD, Professor and Chair of the Department ...

In 1993, researchers discovered a stretch of DNA on the X chromosome they believed to be linked to male homosexuality. After studying the DNA of nearly half a million people with varying sexual experiences, the researchers found no evidence of a single “gay gene.” There was some genetic associatio

The Psychology of Dream Analysis