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AnimalsA single male lyrebird can mimic the sound of an entire flock
The Australian birds, already famous for their impressive song-copying skills, appear to be replicating the sounds of a “mobbing flock” of birds.
By Jake Buehler -
AnimalsHaving more friends may help female giraffes live longer
A more gregarious life, even while just munching shrubbery, might mean added support and less stress for female giraffes.
By Susan Milius -
AnthropologyArdi may have been more chimplike than initially thought — or not
A contested study of hand and foot fossils suggests this 4.4-million-year-old hominid was a tree climber and branch swinger.
By Bruce Bower -
Particle PhysicsProtons’ antimatter is even more lopsided than we thought
The SeaQuest experiment finds that down antiquarks within the proton are more prevalent than up antiquarks.