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Beavers can have strong impacts as ecosystem engineers.
Thomas Bewick
Some scientists believed that langur infanticide was influenced by human disturbance.
James Madison was a key figure at the Constitutional Convention of 1787 in Philadelphia. He not only
This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev
A woman in a net on a Congo shore. Although the importation of slaves was illegal after 1807, histor