The Hanna H. Gray Fellows Program is a transformational award for postdoctoral scientists who show exceptional promise as future leaders in academic science, advancing foundational discoveries while ...

These are the mouthparts of two different kinds of ticks. The mouthpart is what a tick uses to bite and latch onto you or your pets. Each mouthpart has a pair of hooked “teeth” for piercing the skin ...

Muscles are formed by the merging of many small myoblasts into larger myofibers. This fusion of mononucleated myoblasts with a single nucleus into multinucleated myofibers with multiple nuclei is an ...

It looks as if this juvenile crab got a dye job at the salon – but it’s actually an image taken under ultraviolet light. Tiny crabs at this stage of their life cycle are free-floating. As adults, they ...

This is a crested gecko, named for the spiny ridge that runs along its back and head, all the way to its eyes. These lizards are expert climbers and can use their padded feet to grip almost any ...

This jumping spider appears to be staring at you with four giant eyes, but it actually has eight eyes around the top of its cephalothorax (head and upper body). While the largest pair of eyes provides ...

What am I looking at? These images are a series of 1-millimeter-thick slices from front to back through the brain of a mouse, with ChAT neurons (1) in purple and pyramidal neurons (2) in green. The ...

What am I looking at? This is a colored scanning electron microscopy image of a human red blood cell infected with the parasite that causes malaria. The infected cell is blue (1), and the uninfected ...

What am I looking at? These are cells derived from monkey kidney tissue, growing in culture. They were filmed at a very slow frame rate overnight, and you are seeing the video played back here at a ...

Beauty is all around us. It is everywhere our eyes can see – in the breathtaking majesty of snowcapped mountains, in the tranquil shores of tropical beaches, and in the faces of those we love. But ...

Igor Siwanowicz is a research scientist at HHMI’s Janelia Research Campus. He earned his PhD at the Max Planck Institute in Germany in structural biochemistry, but his love for animals and nature, as ...

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