News
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GeneticsThere’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.
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NeuroscienceClumps 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.
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HumansA 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.
By Bruce Bower -
TechA chip made with carbon nanotubes, not silicon, marks a computing milestone
Silicon’s reign in cutting-edge electronics may soon over.