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Killer whales, like this one spotted near Alaska, commonly breach, often lifting their entire bodies
Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican
Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
Five layers or sheaths called koshas in Ayurvedic philosophy.
buffers commonly employed for biochemical studies
A commercially available DNA microarray, called a GeneChip, marketed by Affymetrix, Inc