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Grow your own Climate
Could analysing the particles inside raindrops and snowflakes allow us to alter the weather? Cindy Morris of the French Institute of Agronomy believes it just might.

Hair Today, Jail Tomorrow
Geoff speaks to researchers at the University of Utah who鈥檝e found that the chemical make up of your hair can show where you鈥檝e been. Their work could have important implications in the field of forensics.

Space Junk
Will space travel ever be safe? Marcus Chown ponders the real and increasing threat of space junk.

The Mary Rose
Raised from the seabed nearly thirty years ago, Henry VIII's favourite ship is a remarkable record of Tudor naval life. But preserving its artefacts needs the latest science, as Roland Pease reports.

Microscopic Engineering
Geoff visits scientists at Harvard University who鈥檝e been working at the molecular and cellular level to develop 鈥渂iohybrids鈥�. Among other things, these combinations of living and non-living tissue could be used to patch a hole in the heart or test new medicines.