The human brain is a greedy organ. It gulps energy, demands constant upkeep, and somehow grew far larger (relative to body size) than the brains of any other primate. Scientists have always wondered ...

Everywhere you go, you carry a population of microbes in your gastrointestinal tract that outnumber the human cells making up your body. Subscribe to our newsletter for the latest sci-tech news ...

Data from more than 15,000 ancient people reveal natural selection of hundreds of genes linked to immunity, skin tone, ...

Dozens of new discoveries reveal that defenses evolved by bacteria and viruses billions of years ago still define our own ...

The genetic culprits responsible for the spread of multidrug resistance (MDR) in bacteria have been identified by new research mapping 100 years of bacterial evolution. Experts at the Wellcome Sanger ...