Hermit crabs' lesson on wealth inequality

Can hermit crabs teach us about a common global problem—wealth inequality? The answer is yes, according to a first-of-its-kind study published in the January issue of Physica A.

Botswana animal groups outraged at elephant killing

Animal campaigners demanded on Friday that a Botswana hunter's licence be revoked after an elephant was killed despite being protected, raising tensions over the country's new hunting rules.

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