News

Genetics

There’s no evidence that a single ‘gay gene’ exists

Many genetic factors with small effects combine with one’s environment to influence sexual behavior, researchers say.

Neuroscience

Clumps of cells in the lab spontaneously formed brain waves

Nerve cells fired coordinated signals in brain organoids, 3-D clusters of cells that mimic some aspects of early brain development.

Humans

A 3.8-million-year-old skull reveals the face of Lucy’s possible ancestors

A fossilized hominid skull found in an Ethiopian desert illuminates the earliest-known Australopithecus species.

Tech

A chip made with carbon nanotubes, not silicon, marks a computing milestone

Silicon’s reign in cutting-edge electronics may soon over.