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Life sciences/Organismal biology/Animals/Carnivores/Predators

The most agile hummingbirds owe their nimbleness to muscle strength and power, as well as wing shape and size, according to a new study in the February 9 issue of Science.

The presentation was part of the Holiday Lecture series, presented by the AAAS Dialogue on Science, Ethics and Religion program. During the event, Fuentes and Ron Cole-Turner explored the role of cooperation and creativity in human evolution.

The Goliath Birdeater belongs to the Tarantula family and is the most massive spider in the world.
This insect grows from a red-striped "woolly bear" caterpillar to a white-spotted moth large enough to fit comfortably in an adult's hand.