13881499 - Touristen gehen auf einer Promenade, während Dampf über den lebhaften Farben und Ablagerungen der Grand Prismatic Spring aufsteigt; Yellowstone National Park, Wyoming, Vereinigte Staaten von Amerika13881497 - Dampf steigt über den lebhaften Farben und Mineralablagerungen der Grand Prismatic Spring auf, einer geothermischen Anlage im Yellowstone National Park; Yellowstone National Park, Wyoming, Vereinigte Staaten von Amerika13881500 - Touristen gehen über eine Promenade, während Dampf über den lebhaften Farben und Mineralablagerungen der Grand Prismatic Spring aufsteigt; Yellowstone National Park, Wyoming, Vereinigte Staaten von Amerika13881498 - Dampf steigt über den leuchtenden Farben und Mineralablagerungen der Grand Prismatic Spring auf, einer geothermischen Besonderheit im Yellowstone National Park; Yellowstone National Park, Wyoming, Vereinigte Staaten von Amerika70474621 - Female microbiologist viewing specimen under microscope in lab70472747 - Antibiotic drugs being tested to see how resistant they are to bacteria70336866 - Gram + bacteria70336859 - Corynebacterium diphtheriae bacteria70336795 - Salmonella typhi Bactery of typhoid fever Gram70336868 - Mycobacterium tuberculosis bacteria70336862 - Staphylococcus aureus bacteria70336860 - Escherichia coli bacterium70336857 - Treponema pallidum bacterium70336865 - Yogurt bacterium70336864 - Neisseiria gonorrhoeae bacterium70336861 - Streptococcus pyogenes bacterium70336858 - Clostridium botulinum bacteria70336810 - Bacillus anthracis Bactery of Anthrax Gram70474620 - Female microbiologist viewing specimen under microscope in lab70472746 - Antibiotic drugs being tested to see how resistant they are to bacteria70336863 - Neisseiria gonorrhoeae bacteria70472745 - Antibiotic drugs being tested to see how resistant they are to bacteria70370493 - Close-up of a woman coughing70510796 - Rotten tomatoes70509037 - A lab technician using a cotton swab on a Petri dish with a bacteria culture, close-up of hand70509023 - A lab technician using a cotton swab on a Petri dish with a bacteria culture, close-up of hand70509026 - A lab technician holding a Petri dish with a bacteria culture growing in it, close-up of the hand70509032 - Petri dishes holding different stages of bacteria cultures70509021 - Petri dishes holding different stages of bacteria cultures70509030 - Three used Petri dishes and stacks of unused Petri dishes
