Researchers found that ancient hominids—including early humans—were exposed to lead throughout childhood, leaving chemical traces in fossil teeth. Experiments suggest this exposure may have driven ...

AI-guided redesign of protein alphabet in bacteria could unlock new ways to build synthetic organisms.

Since the early 20th century, people’s skulls have got rounder and their jaws have got wider, probably because of changes in ...

The scientific wonderers at What If fast-forward through millions of years of primate development to show the path that led to modern people. Trump’s $10 billion IRS lawsuit hits stumbling block This ...

Remarkably, 98 percent of our DNA does not code for genes. Once considered “junk DNA,” it is now well appreciated that these ...

Space The AMOC moves closer to collapse, scientists create artificial neurons, the "Iliad" is found inside and Egyptian mummy, and researchers search for treatments for brain-eating amoebas ...

Data from more than 15,000 ancient people reveal natural selection of hundreds of genes linked to immunity, skin tone, behaviour and other traits. The biggest ever study of ancient human DNA shows ...

Applying new analytic methods to nearly 16,000 ancient genomes reveals natural selection has acted on hundreds, not dozens, of genes in West Eurasia over the last 10,000 years. More than half of the ...

Over time, plastics break into smaller and smaller fragments called microplastics and — when they’re invisible to the naked eye — nanoplastics. The human body’s mechanisms for expelling foreign ...

Human Evolution 'Human evolution didn't slow down; we were just missing the signal': Large DNA study reveals natural selection led to more redheads and less male-pattern baldness Neanderthals Humans ...