LifeChimps have experimented with sex more than humans A look at sperm plugs used by chimps may help establish how the last common ancestor of chimps and humans mated ¿ìè¶ÌÊÓÆµ
Time-lapse map shows DNA development in growing brain The chemical tags on brain cells' DNA change dramatically early in life – disrupted, the process may leave young children vulnerable to neurological disorders ¿ìè¶ÌÊÓÆµ