Word: hydrogen
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Dates: during 1990-1999
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...Deluge occurred when water in subterranean chambers burst through the earth's surface with an energy exceeding "the explosion of 10 billion hydrogen bombs...
Kaku says that if it hadn't been for the war, he probably would have ended up like many of his University colleagues, working at the Livermore weapons laboratory at Los Alamos designing third generation hydrogen warheads...
...National Aeronautics and Space Administration announced that Venus may have been covered by a shallow sea, 25 ft. to 75 ft. deep, 3 billion years ago. Data sent back by the Pioneer probe on its final plunge through Venus' atmosphere last October revealed an unusually high concentration of heavy hydrogen, also called deuterium, which can be explained only if the planet was once much wetter...
...necessary for muscular contractions all unprocessed food (whole seeds, legumes) Iron essential for production of meat, liver, beans hemoglobin Zinc unknown, involved in fighting infec- animal products, especially tion meat Iodine important for thyroid gland's hor- iodized salt mone synthesis Selenium essential for enzymes catalyzing seafoods, kidney, liver hydrogen peroxide...
...piecing together the sulfurous origins of Carlsbad and other caves, speleologists have done more than satisfy scientific curiosity. They have also laid the foundation for some promising new ideas in oil exploration. Hydrogen sulfide, which is sometimes emitted as buried organic material decomposes, often appears in petroleum fields. Core samples of rock produced during drilling suggest that some oil and gas deposits are trapped within ancient cave systems that formed hundreds of millions of years ago. "So, about five years ago, some of us started looking in modern caves to see what they could tell us about where to hunt...