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Reindeer antlers grow again each year under a layer of fur called velvet. This reindeer is losing th
Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican
Endocarditis. The human heart has been sectioned to reveal the left ventricle and origin of the aort
Eighteen-year-olds were the largest age cohort in the first year of the war in both armies. Soldiers
A resonance tube, called a Helmholtz resonator, is used on the intake duct between the air filter ...