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  1. 19307

    Tyrannosaurus rex ‘s environment may have provided sufficient carrion for the giant to survive as a scavenger, and studies of its ratio of leg-muscle mass to body mass suggest that it wasn’t speedy enough to be an efficient predator. But this may be only how it ended its life. It didn’t hatch from the egg […]

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  2. Paleontology

    Was T. rex just a big freeloader?

    A new study suggests that an ecosystem like today’s African savanna could provide sufficient carrion to nourish a scavenger the size of a Tyrannosaurus rex.

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  3. Animals

    Ants lurk for bees, but bees see ambush

    A tropical ant has perfected the un-antlike behavior of hunting by ambush, but its prey, a sweat bee, has developed some tricks of its own.