UDK845054: USA, Texas, San Antonio, No Weapons warning sign showing handgun inside warning symbol / Bridgeman Images

UDK845058: France, road sign by roadside near a field / Bridgeman Images

UDK845060: France, 'No Parking' sign on a wall / Bridgeman Images

UDK845066: Peru, Lake Titicaca, Puno, earthquake warning sign inside restaurant / Bridgeman Images

UDK845075: United Arab Emirates, Dubai, western and Arabic script on Emirates Post Letter Mail Box / Bridgeman Images

UDK845079: United Arab Emirates, Dubai, pharmacy sign in Arabic and western script / Bridgeman Images

UDK845088: Bulgaria, information sign for public toilets / Bridgeman Images

UDK845094: Japan, Tokyo, Taito-ku, Ueno Station, directional sign / Bridgeman Images

UDK845104: Thailand, Pattaya, neon sign on Walking Street, replicating the London Underground sign / Bridgeman Images

UDK844206: Pieces of paper picked up by electrically charged ruler (static electricity) / Bridgeman Images

UDK844210: Rhinoceros horn / Bridgeman Images

UDK844212: Max-min thermometer, close up. / Bridgeman Images

UDK844213: Various animals and plant species in a rock pool, cross-section side view. / Bridgeman Images

UDK844214: Colourful pattern formed on surface of soap bubble, close up. / Bridgeman Images

UDK844223: Solid metallic copper at bottom of glass beaker containing Zinc sulphate solution, beaker of blue copper sulphate solution, and zinc metal shavings on watchglass / Bridgeman Images

UDK844229: Three pointed animal teeth / Bridgeman Images

UDK844232: Model of heart / Bridgeman Images

UDK844234: Blue and red light traces forming circular shapes / Bridgeman Images

UDK844236: NASA space shuttle mission flight path / Bridgeman Images

UDK844238: The International Space station, close-up / Bridgeman Images

UDK844240: A CD moulded from melted polycarbonate / Bridgeman Images

UDK844241: Anatomy of human newborn baby / Bridgeman Images

UDK844247: DNA including double helix, chromosome, cell / Bridgeman Images

UDK844259: Diagram of muscle structure / Bridgeman Images

UDK844263: Human spine / Bridgeman Images

UDK844267: Human respiratory anatomy / Bridgeman Images

UDK844268: Human digestive anatomy / Bridgeman Images

UDK844269: Human heart, cross-section / Bridgeman Images

UDK844270: Human urinary anatomy / Bridgeman Images

UDK844285: Model of high-speed train / Bridgeman Images

UDK844300: Disassembled parts of a grand piano / Bridgeman Images

UDK844326: Pink tube light glowing against black background / Bridgeman Images

UDK844335: Hammer striking nail / Bridgeman Images

UDK844338: Electrical components being joined together by solder and a soldering iron / Bridgeman Images

UDK844354: Hand holding magnet with push pins attached at the bottom / Bridgeman Images

UDK844355: Hand holding magnet, picking up metal filings / Bridgeman Images