For more than a century, scientists have debated whether intelligence is mostly a product of nature or nurture. Identical ...

Identical twins who were raised apart may have IQ differences similar to those of total strangers, according to new research.

Scientists discovered that koalas have fingerprints almost identical to humans, showing how evolution can arrive at the same ...

There’s a common assumption that intelligence is largely determined by genetics. After all, previously published studies ...

When clinicians first peeked at the developing embryos in the uterus of an Australian mother-to-be, they found a not-uncommon phenomenon: a pair of 6-week embryos, each inside its own amniotic sac but ...

Mali's Foreign Affairs Ministry has announced it will require U.S. visa applicants to post a bond of up to $10,000.