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Giant clams tell the story of past typhoons

A team of researchers led by Tsuyoshi Watanabe of Hokkaido University has discovered that giant clams record short-term environmental changes, such as those caused by typhoons, in their shells. Analyzing the shell's microstructure ...

dateMay 24, 2018 in Earth Sciences
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The path to success for fish sperm

In many animals, males pursue alternative tactics when competing for the fertilization of eggs. Some cichlid fishes from Lake Tanganyika breed in empty snail shells, which may select for extremely divergent mating tactics. ...

dateMay 24, 2018 in Plants & Animals
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Oysters: one animal, two glues

Oysters build extensive reef communities by cementing to one another early in their lives. Scientists have known they secrete an adhesive for this purpose, but new research shows the glue they make as babies and juveniles ...

dateMay 07, 2018 in Materials Science
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En route to the optical nuclear clock

The nucleus of thorium-229 possesses a property that is unique among all known nuclides: It should be possible to excite it with ultraviolet light. To date, little has been known about the low-energy state of the Th-229 nucleus ...

dateApr 18, 2018 in General Physics
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