How earthquakes and lightning help explain squeaky sneakers

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with accurately computed sums. Specialized posting machines were made for

Now, three researchers at the University of Pennsylvania, Alexander Platt, Daniel N. Harris, and Sarah Tishkoff, have done the converse analysis: examining the X chromosomes of the handful of completed Neanderthal genomes we have. It turns out there's also a strong bias toward modern human sequences there, as well, and the authors interpret that as selective mating, with Neanderthal males showing a strong preference for modern human females and their descendants.

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A police spokesperson previously said that the case was being investigated by its robbery-homicide division.

"That is really important, because that can lead to successive rainfall events, [which] can lead to very saturated soils, and as we're seeing currently in the UK, that can lead to exacerbated flooding as well," she said.

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