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Cracking eggshell nanostructure: Implications for food safety

Posted March 30, 2018

How is it that fertilized chicken eggs manage to resist fracture from the outside, while at the same time, are weak enough to break from the inside during chick hatching? It's all in the eggshell's nanostructure, according to a new study.

Basking sharks gather in large groups off northeast US coast

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Groups of basking sharks ranging from as few as 30 to nearly 1,400 individual animals have been observed aggregating in waters from Nova Scotia to Long Island. While individual sightings are fairly common, seeing large groups is not. The reason why the animals congregate has not been clearly determined, and observations of these aggregation events are relatively rare.

Walleye fish populations are in decline

Posted March 29, 2018

Walleye, an iconic native fish species in Wisconsin, the upper Midwest and Canada, are in decline in northern Wisconsin lakes, according to a new study. It now takes 1.5 times longer to produce the same amount of walleye as it did in 1990.