Mars doughnut rock mystery solved –
Pictures from Mars taken by the Mars Rover last month showing a piece of white-rimmed and red-centred rock that appeared seemingly from nowhere, is explained by NASA. It turns out the Mars Rover, Opportunity drove over a larger rock, a doughnut shaped piece broke off and appeared in the later picture. The rock (called Pinnacle Island) contains high levels of manganese and sulphur, providing further reason to believe there could be water on Mars.
Before and after images of the area.

Are you Gender Questioning? No problem –
Facebook users can now choose up to 50 gender options when they sign up to an account in the US from “agender” and “two-spirit”. The fifty options are shown below.
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