Is the coming HIV pandemic inevitable? | Charles LeBaron

In just one year, Secretary of Health and Human Services (HHS) Robert F. Kennedy Jr. (RFK Jr.) has done enormous damage to an extraordinarily successful HIV prevention program and left the nation nearly defenseless against the emerging HIV pandemic just when eradication seemed possible. These unprecedented acts have surprised and frightened many working in the […]

Live Science Today: The Monte Verde controversy and the heatwave that hits the West

Today’s top news A view of the Monte Verde ruins along the Chinchhuapi River in Chile, taken in 2012. (Image credit: Geología Valdivia (CC BY 2.0)) An important archaeological site in Chile may be thousands of years older than originally thought, according to controversial research that threatens to rewrite the earliest history of human settlement […]

Experts say discovery of ‘dark oxygen’ on the ocean floor is ‘fundamentally inconsistent with thermodynamics’ and should be retracted

A 2024 study that claims to have discovered an entirely new source of oxygen in the deep ocean, called “dark oxygen,” is flawed, contradicts previous research, and is “fundamentally inconsistent with thermodynamics,” critics argue in a new opinion piece. Despite this backlash, the researchers behind the 2024 study recently announced that they would deploy a […]

All five “letters” of DNA discovered on an asteroid speeding through the solar system. What can they tell us about the origin of life?

The “potentially dangerous” asteroid contains all the “letters” that make up DNA, suggesting that these vital ingredients may be common in the solar system. Researchers made the discovery after analyzing samples collected from the asteroid Ryugu, a 3,000-foot (900-meter) wide space rock shaped like a top. Scientists have detected the complete set of standard nucleobases […]