Homo erectus, a possible direct ancestor of people today, crafted a surprisingly cutting-edge tool out of a hippo’s leg bone around 1.4 million years ago,…
News tagged as “science”
Bacterial weaponry has an unexpected use in human cells. A protein secreted by bacteria to kill other microbes has been re-engineered to tweak DNA inaccessible…
Like a metronome that sets the tempo for a musician, a fundamental cosmic clock may be keeping time throughout the universe. But if such a…
Drugs that release brakes on the immune system have helped thousands of people with cancers that were previously untreatable. Yet these therapies, known as checkpoint…
In January, vaccine researchers lined up on the starting blocks, waiting to hear a pistol. That shot came on January 10, when scientists in China…
Exercise’s power to boost the brain might require a little help from the liver. A chemical signal from the liver, triggered by exercise, helps elderly…
When criminologist Robin Engel suddenly found herself leading the effort to reform a police department under fire after a white police officer killed an unarmed…
Physicists have captured their first clear glimpse of the tangled web woven by particles called anyons. The observed effect, known as braiding, is the most…
To estimate your dog’s age in human years, multiply the dog’s age by seven, right? Wrong. A more accurate conversion isn’t so easy to do…
More than 800 years ago, Indigenous people in South America traversed more than 7,000 kilometers of open sea to reach eastern Polynesia, a new study…