stem cell research, nuclear transfer being carried out on several embryonic stem cells for cloning - accuracy stock pictures, royalty-free photos & images
connector of transient photocurrent in organic semiconductor measuring machine - accuracy stock pictures, royalty-free photos & images
two circus trapeze artists in action (toned b&w) - accuracy stock pictures, royalty-free photos & images
manager in high tech enterprise, checking machine parts - accuracy stock pictures, royalty-free photos & images
industrial metalworking cutting process by milling cutter - accuracy stock pictures, royalty-free photos & images
sewing needle with a red thread through the eye - accuracy stock pictures, royalty-free photos & images
sample of dna being pipetted into a petri dish over genetic results - accuracy stock pictures, royalty-free photos & images
golf ball entering the hole after successful stroke - close up - links golf - accuracy stock pictures, royalty-free photos & images
laser metal cutting manufacturing tool in operation - accuracy stock pictures, royalty-free photos & images
dart in bullseye of dart board, side view, close-up - accuracy stock pictures, royalty-free photos & images