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Sea star wasting syndrome is the largest marine disease event ever seen. Microbiologist Ian Hewson shares what inspires him to study oceanic ecosystems, and how scientists from Cornell University are solving this ecological mystery.
(Source: DCMP)
Part of "The Living Oceans" series. Captures the lives of sea stars that inhabit sea star gardens on the ocean bottom. Slow-motion photography reveals that predatory sea stars are actually social creatures that respond to one another's touch and prefer to hunt together. Illustrates animal defenses, such as camouflage in the octopus, and shows of aggression in the sarcastic fringehead.
Digit’s friend Pearl says her town is in trouble. The water levels in Canalia keep getting lower, but Canalians don’t see the problem. Pearl decides to build a time machine to prove she’s right. She travels with the CyberSquad into the past to measure the water levels, and the kids promise to help convince Canalians to change their water-wasting ways. Part of the "Cyberchase" series.
Hidden in a vault outside Paris, vacuum-sealed under three bell jars, sits a palm-sized metal cylinder known as “Le Grand K.” Forged in 1879 from an alloy of platinum and iridium, it was hailed as the perfect kilogram—the gold standard by which other kilograms would be judged. However, it is wasting away, and scientists are scrambling for a more reliable standard. Part of the "Uno Dos of Trace" series.
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Resources to teach younger students about animals
A collection containing 58 resources, curated by DIAGRAM Center
