Content by The Scientist

The chalcid wasp species Kikki huna is smaller than a grain of salt and has thin wings with long bristles at their ends.

An HIV-infected dendritic cell shoots out thin projections called filopodia (red) with virus particles (white) at their ends.

After someone tried to move this Namib desert-dwelling chameleon off a roadway, it opened its mouth wide in a threat display.

This South American hummingbird uses its long beak to sip nectar stored deep inside flowers.

Chloroplasts are visible within cells of the forest-growing moss Plagiomnium affine.

Chromosomes in a fibroblast's nucleus during the resting stage of the cell cycle are individually labeled with fluorescent tags.

This scanning electron micrograph of a leaf's epidermis features stoma shaped like small mouths for gas exchange and hair-like structures called trichomes.

The Scientist’s annual contest is now open. Submit your innovative product or methodology now for a chance to win!

The rose chafer Cetonia aurata protects its delicate hindwings beneath hard casings, called elytra, until it is time to take off.

Most freshwater crustaceans of the species Daphnia magna, like this one, are female and reproduce through parthenogenesis.

Some notable quotes from this week’s meeting on cancer research

This juvenile fish has developing bone stained red and developing cartilage stained blue.

White blood cells engulf spores of the fungus Aspergillus fumigatus, which often causes disease in immunocompromised people.

The star-nosed mole's unusual appendages radiating around its nostrils have the highest nerve ending densities of any mammalian skin surface.

An embryo of the echinoderm Clypeaster subdepressus progresses from two cells, to four cells, to sixteen cells, and then to the gastrula stage.