The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...

Add Yahoo as a preferred source to see more of our stories on Google. The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – ...

Human testicles are much smaller, in proportion, to some of our primate cousins. Evolution can tell us why. But the size of other body parts is a little bit more of a mystery. The human body is a ...

The evolution of the human species is marked by an increase in brain size. Now new research suggests that could be partly dependent on increases in prenatal estrogen—revealed by looking at the length ...

The human body is eerily similar to a complex machine, with countless delicate parts. These parts range from the tiniest of cells to our limbs, eyes, kidneys, and brains. These parts have slowly ...

Human evolution spans millions of years, from early primates to modern Homo sapiens. Fossil evidence, genetic data, and climate shifts help explain how different human species emerged, migrated, and ...

A new series of papers claim that the ancient human species Homo naledi buried their dead and made engravings deep within a cave system in southern Africa some 300,000 years ago. If these claims are ...

Scientists are planning to solve one of the world’s greatest archaeological mysteries. Using an unparalleled range of tests, experts are investigating whether a group of ‘ape-men’ succeeded in ...

Most people know only two things about the appendix: You don’t need it – and if it bursts, you need surgery fast. That basic ...

A mathematical theory of human behaviour may re-organise the social sciences in the same way that Darwin’s Theory of Evolution re-organised the biological sciences, according to new research from the ...