Birmingham, UK: Close shot of hands of scientist firing gun into special chamber for ballistics test at the National Ballistics Intelligence Service laboratory.

Various locations: Scientific researchers in a laboratory inspecting samples under microscopes, POV shot of a Petri dish underneath a stereo microscope and a hand turning the focus knob, scientist preparing a sample over a live Bunsen burner flame, close up of plant tissue specimens in Petri dishes.

Tanzania: POV shot of scientist looking into a microscope, shot of 2 mosquitoes under microscope, and specimens on pins awaiting inspection, wide of scientist seated in front of microscope in the laboratory.

Row of Pipettes attached to machine filling test tubes up with orange liquid in a DNA testing laboratory

Scientist in green scrubs removing cell tissue from freezer tank in stem cell research laboratory, vials removed from liquid nitrogen tank.

London: Mid shot of a hospital laboratory technician transferring a sample of blood to a test tube using a pipette.

Denmark: Laboratory worker holding a syringe containing a blood sample, the sample is then shaken and placed in a testing machine.

Laboratory technician in DNA laboratory wearing white protective clothing (lab coat) and purple gloves, working with criminal evidence using tweezers.

Close shot of laboratory worker using pipette to extracting yellow liquid from small vial

Laboratory technician looking through electronic microscope and using pipette

Various views of fluids in bottles being agitated by machine in Nanotechnology laboratory

A Forensic Scientist wearing protective clothing examines evidence in laboratory looking through microscope, close shot of hands in purple gloves turning microscope knob

London, UK: Tracking shot of scientists at work in biological sciences research laboratory at Imperial College London.

Close up of mouth opening and DNA swab taken from inside the cheek with a cotton bud

Graphic patterns of a DNA sequence in blue and green dots as seen on a computer screen.

Close up of pipette inserted into labelled test tube and slowly extracted

Close up of a small containing a doping sample sitting in a machine tray with empty slots and a wide of the grey machine.

Close shot of hands (wearing surgical gloves) slowly extracting swab from test tube.

Various views of lab analysts wearing white coats preparing white liquid sample in a beaker, samples in flasks and analysts doing tests and looking at computer and working with lab equipment.

Close up of substance injected into test tube with bunsen burner flame seen in background

Close up of mouth opening and DNA swab taken from inside the cheek with a cotton bud

Gloved hands taking liquid from small glass jar and injecting into egg to test for bird flu

Close shot of Vials containing frozen embryos removed from storage container, close up of vial

Antarctica: Wide of the first zero emission research station named the 'Princess Elizabeth Antarctica' with blue sky and wispy clouds in the background

Close up of mouth opening and DNA swab taken from inside the cheek with a cotton bud

Close up of pipette inserted into labelled test tube, camera zooms out to show lab worker working at desk containing bunsen burner and test tubes in rack