The Time To Choose

Tanks rolled and soldiers marched through the streets of the Brazilian capital of Brasilia recently. They were ostensibly celebrating the 200th anniversary of the South American country’s independence from Portugal. But the military parades on Sept. 7 had a different tone this year. In July, while...

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Tools and Toys

Some animal species are able to use stones and sticks as tools for their own survival. For example, chimpanzees use sticks to collect termites, while sea otters use rocks to smash snails. Researcher Camilla Cenni and her colleagues discovered that long-tailed macaque monkeys in Bali, Indonesia, have...

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