Because light moves at finite speed, looking farther into the Universe means looking back in time.

BBC: Observatory detects record burst

Venturing through its dense and lively rain forests feels like looking back in time.

BBC: Malaysian Borneo on a single circuit

"The stalactites and stalagmites from these caves are a way of looking back in time to see how warm periods similar to our modern climate affect how far permafrost extends across Siberia, " said Dr Anton Vaks from the University of Oxford.

BBC: Siberian cave

I'm looking forward to being back in time for those games.

BBC: SPORT | Football | My Club | Chelsea | Cole sets sights on early return

"We are just looking forward to the time that he can come back in and we can wrap our arms around him and tell him we love him, " he said.

CNN: Above ground and safe, Ethan turns 6

Looking back to the first time I asked these questions in August 2009, the levels were 3.5 percent of current budgets and expected to increase to 6.1 percent over the next year and 13.7 percent over the next five years.

FORBES: Do Marketers Know What They Want From Social Media?

Looking back over a three-year time horizon, shares at Starbucks have returned 40% in comparison to around 100% at McDonald's.

FORBES: Magazine Article

According to Professor Hume, preliminary results from another study - this time looking at the IQ of school children in Dundee - appeared to back up those findings.

BBC: Mothers-to-be urged to take extra iodine

In a fortnight's time I will be going back to money and looking at some tips to help you make better use of your money in 2012.

BBC: Fergus Muirhead