And indeed, in the field, Dr Dacke has seen beetles run in to trouble when the Milky Way briefly lies flat on the horizon at particular times of the year.

BBC: Dung beetles guided by Milky Way

In the latest trouble on Wednesday night, people in Boundary Way said two men drew up in a car after which shots were fired towards a crowd standing on a street corner.

BBC: Exodus caused by loyalist feud

The 1957 Bonanza H35 took off from Fort Pierce, Florida, and was on its way to Knoxville when the pilot reported engine trouble, officials said.

CNN: Florida plane crash survivor: 'God is good'

Trouble, as always, is that there are some major speed-bumps on the way to fuel-free utopia.

FORBES: Disappointed With Electric Cars, Automakers Are Making Bad Bet On Fuel Cells

On a larger scale, that could mean Google gets in trouble for pointing the way to illegally shared copyrighted content.

FORBES: Why An Internet Blackout For SOPA And Not CISPA?

The number 22 seed was never in trouble as she struck 25 winners on her way to four breaks of serve, with King unable to live with Hantuchova's guile and speed across the court.

BBC: Serena and Venus battle through

Now that he is in command of the budget, with his currency fortifications in place, Dr Mahathir has gone on the offensive: simply, he plans to spend his way out of trouble.

ECONOMIST: Malaysia

On the other, it faces having to cut dividends and borrow more to buy its way out of trouble.

ECONOMIST: Vivendi Universal