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Into the Abyss: Worlds of the Deep

In the deep ocean, life is concentrated at chemosynthetic oases where primary production is made possible via chemosynthesis at cold seeps and deep sea hydrothermal vents. The non-chemosynthetic regions of the deep are divided into two very different worlds. First is the midwater, where pelagic wanderers tread migratory routes that span entire oceans, and planktonic drifters and their predators take part in bioluminescent light shows. It is separated into zones based on depth, including the sunlight zone (epipelagic), twilight zone (mesopelagic), midnight zone (bathypelagic), abyssal and hadal zones. And below, lies the deep sea floor. A kingdom of mud and ooze, where sessile creatures cling to any solid outcrop and corals craft kingdoms on the seamount crusts. The worlds of the deep sea could not be more different, and yet their stories are fundamentally intertwined.

Into the Abyss: Worlds of the Deep

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Secret Weapons of World War II

Secret Weapons of WWII explores the desperate weapons race fought by nations worldwide to gain an advantage over their adversaries. Incendiary bats, flying wings, rubber tanks, and guns that shoot around corners – in wartime, there is no such thing as a bad idea, but not all of these ideas worked or even made it beyond the planning stage. This riveting series tells the story of the weapons that changed history, and still impact our daily lives. Like the small top-secret device invented to improve radar, the Magnetron - now found in most kitchens as a microwave. Learn about the inventions born out of desperation that resulted in jet engines, rockets, lasers, and computers. Beyond the apparent silliness of pigeon bombs and death rays, this fascinating series highlights innovative weaponry developed during the war and the resulting transformative technological revolution.

Secret Weapons of World War II

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