Why are humans the only species with jaws?

Humans are the only species with jaws, a trait not present even in our closest relatives. In fact, it’s an anatomical feature so unique that it’s one of the main features anthropologists use to identify Homo sapiens in the fossil record. However, despite these defining characteristics, surprisingly little is known about their evolutionary purpose. So […]

Cannonballs dating back to the Battle of the Alamo are unearthed on the eve of the 190th anniversary of the conflict that killed Davy Crockett

Archaeologists have unearthed an intact bronze cannonball used in the Battle of the Alamo. They made the discovery on the eve of the 190th anniversary of the historic conflict between Mexican troops and white Texas settlers. Tiffany Lindley, the Alamo’s director of archeology, announced the discovery Thursday (March 19) on an episode of the Alamo’s […]

Can gene therapy treat most cases of Alzheimer’s disease?

Alzheimer’s disease, the most common form of dementia, has had no potential treatments for decades. Previous research suggests that it is a complex, multifactorial disease where a patchwork of biological and lifestyle factors combine to increase or decrease risk. However, a new study published in January in the journal Nature suggests that the risk of […]

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 […]