Eye of a honey bee covered in dandelion pollen
Mouse colon (right) colonized with human gut microbes (left)
Mouth of a humped bladderwort, a freshwater carnivorous plant
Lab-grown bud of a human mammary gland
A live mouse brain's blood vessels (red) showing a glioblastoma tumor (yellow/green)
Nerves and blood vessels in a mouse's ear skin
Young buds of a Arabidopsis flowering plant
Fern sorus at varying stages of maturity
Sea mullet fish eggs and embryos
Tentacles of a carnivorous plant
A flowering Arabidopsis thaliana plant
Feeding rotifers (tiny freshwater animals)
A black witch-hazel leaf producing crystals to defend against hungry animals
Hairyback worm (bottom) next to algae (top right)
Larva of a horseshoe worm
Suction cups on a diving beetle foreleg
The 20 most incredible microscope photos of the year
