a man in a protective suit and mask working on a machine

Created in 2005, this photograph depicts one of the Centers for Disease Control's (CDC) staff microbiologists using an electronic pipetter to extract reconstructed 1918 Pandemic Influenza virus from a vial containing a supernatant culture medium.

Inspecting fish tissues with the microscope. 

NOAA

assorted-color syringes on clear glass rack

Dental supplies and their reflection on a glass countertop.

Ibrahim Boran

Oceanographic operations on the Coast and Geodetic Survey Ship PIONEER. Attaching Nansen water sampling bottle and thermometer to wire. 

brown and black fur on white ceramic plate

Colin Lloyd

Allen Shimada showing king crab caught in Bering Sea on research cruise. 

Releasing an injured seal into a rehabilitation pen. 

black and white ship on sea during daytime

Biologist