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Natural Lab Shows Sea's Acid Path
from BBC News Online
Natural carbon dioxide vents on the sea floor are showing scientists how carbon emissions will affect marine life.
Dissolved CO2 makes water more acidic, and around the vents, researchers saw a fall in species numbers, and snails with their shells disintegrating.
Writing in the journal Nature, the UK scientists suggest these impacts are likely to be seen across the world as CO2 levels rise in the atmosphere. Some of the extra CO2 emitted enters the oceans, acidifying waters globally.
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VIDEO: How Hair Ice Grows
In 2013, American Scientist featured an article on odd ice formations on plant stems, including these curling ribbons of ice. One of the types of ice discussed in the article was hair ice—long, thin strands of ice that grow under quite specific conditions. The only problem is that a new study shows the theory put forth at the time—that gas pressure pushes the water out—isn’t correct... (click the link above to read more).
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