LifeThe holly hunters banking berries to save a speciesChristmas in many parts of the world isn’t complete without holly sprigs, but logging the trees’ genetic diversity is a distinctly prickly businessFeatures
HumansHuge dose of brain chemical dopamine may have made us smart Two “thinking” regions of human brains are much richer in a neurotransmitter called dopamine than the equivalent brain regions in apes and monkeys èƵ