Scientists found that ancient lead exposure shaped early human evolution. The toxin may have played a surprising role in the development of modern cognition and language. An international team of ...

Once a sperm has broken through to an egg cell in order to fertilize it, the two cells need to hold together tightly. This ...

This study identifies a proton-gated channel in centipede antennae that conducts monovalent cations through proton ...

Once a sperm has broken through to an egg cell in order to fertilise it, the two cells need to hold together tightly. This ...

Researchers found lead bands in 73 percent of 51 fossilized teeth spanning two million years of hominin history.