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Science, Tech & Environment

For animals, and humans, having bigger weapons can keep you from having to fight at all

In the battle for physical and sexual supremacy, human tactics haven’t progressed much past the lowly dung beetle. We may have brains capable of producing art and science, and we don’t spend our days hauling around dung (well, most of us don’t, anyway), but otherwise — not much has changed.

Global Scan

When it comes to police, Russia gets the gold

Russia is proud of being out in front of other countries. But on one measure, it might not be quite so proud. It has more police per citizen than any other country tracked by the UN. Meanwhile, the Loch Ness monster is back in the news after 18 months without a peep. And a 100-year-old woman has a long-held dream come true and it gives her shivers. All that and more in today's Global Scan.

Global Scan

Will a new strain of cacao tree save us from the coming chocolate shortage?

Chocoholics beware: What would you do if you couldn't buy chocolate — or if the price suddenly went through the roof? We may soon find out, unless science can save the day. Meanwhile, there's no looming shortage of human waste, and Britain is using it to fuel a passenger bus. Also, the Mafia's secret initiation rite is now on video for all to see. Those stories and more in today's Global Scan.