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Annotation:A regular columnist for Smithsonian and Wired questions our long-held beliefs about dinosaurs and presents the latest scientific findings on what colors they really were, how they got so big and how they actually may have died out.
Annotation:For years, large chemical companies had been using Toms river as their private dumping ground. And when the alarming incidents of childhood cancers were brought to the attention of authorities, nothing happened...at least, at first.
Annotation:Jellyfish are simple creatures with simple needs. Thanks to humankind, the oceans of the world are increasing in toxicity and temperature - a perfect storm that is helping jellyfish experience a bloom unprecedented in human history.
Annotation:Did researchers at Johns Hopkins engage in unethical research on 108 African-American children? An important look at one of the most contentious battles in public health over the last 50 years.
Annotation:In spring of 1983, a massive snowmelt sent runoff racing down the Colorado River toward the Glen Canyon Dam. Worried federal officials desperately scrambled to avoid a worst-case scenario: one of the most dramatic dam failures in history.