CRISPR gene-editing tested in a person for the first time
A Chinese group has become the first to inject a person with cells that contain genes edited using the revolutionary CRISPR–Cas9...
The 9 Deadliest Viruses on Earth
Humans have been battling viruses since before our species had even evolved into its modern form. For some viral diseases, vaccines and...
HIV's 'Patient Zero' Wrongly Blamed for AIDS Epidemic
A man who was believed to have introduced HIV to North America — the man sometimes referred to as "Patient Zero" — was actually not the...
Genetic 'Adam' and 'Eve' Uncovered
Almost every man alive can trace his origins to one man who lived about 135,000 years ago, new research suggests. And that ancient man...
First eukaryotes found without a normal cellular power supply
You can’t survive without mitochondria, the organelles that power most human cells. Nor, researchers thought, can any other...
SCIENTISTS CREATE PRIMITIVE SPERM FROM SKIN CELLS
For the 10 to 15 percent of couples in the U.S. who are unable to have a child, scientists are working on creative alternatives to...
Pieces of Homo naledi story continue to puzzle
Homo naledi, a rock star among fossil species in the human genus, has made an encore. Its return highlighted debate over whether this...
Did Humans Drive “Hobbit” Species to Extinction?
Homo floresiensis, the mysterious and diminutive species found in Indonesia in 2003, is tens of thousands of years older than originally...
Got Allergies? Blame Neanderthals
Humans can thank their Neanderthal ancestors for giving them the genes that fight diseases, but also for their allergies, new research...