Image of the Day
Image of the Day: Acrobatic Damselflies
Image of the Day: Acrobatic Damselflies
The Scientist Staff | Apr 30, 2013
During mating, a male damselfly holds a female behind her head while she loops her abdomen forward to pick up sperm that he has deposited in a secondary sexual organ.
Image of the Day: Juvenile Sea Star
Image of the Day: Juvenile Sea Star
The Scientist Staff | Apr 29, 2013
A sea star just after metamorphosis from its larval form.
Image of the Day: Fairyfly
Image of the Day: Fairyfly
The Scientist Staff | Apr 26, 2013
The chalcid wasp species Kikki huna is smaller than a grain of salt and has thin wings with long bristles at their ends.
Image of the Day: Hijacked Immune Cell
Image of the Day: Hijacked Immune Cell
The Scientist Staff | Apr 24, 2013
An HIV-infected dendritic cell shoots out thin projections called filopodia (red) with virus particles (white) at their ends.
Image of the Day: Aggressive Posture
Image of the Day: Aggressive Posture
The Scientist Staff | Apr 23, 2013
After someone tried to move this Namib desert-dwelling chameleon off a roadway, it opened its mouth wide in a threat display.
Image of the Day: Sword-Billed Hummingbird
Image of the Day: Sword-Billed Hummingbird
The Scientist Staff | Apr 22, 2013
This South American hummingbird uses its long beak to sip nectar stored deep inside flowers.
Image of the Day: Magnified Moss
Image of the Day: Magnified Moss
The Scientist Staff | Apr 19, 2013
Chloroplasts are visible within cells of the forest-growing moss Plagiomnium affine.
Image of the Day: Chromosome Map
Image of the Day: Chromosome Map
The Scientist Staff | Apr 18, 2013
Chromosomes in a fibroblast's nucleus during the resting stage of the cell cycle are individually labeled with fluorescent tags.
Image of the Day: Spiky Surface
Image of the Day: Spiky Surface
The Scientist Staff | Apr 17, 2013
This scanning electron micrograph of a leaf's epidermis features stoma shaped like small mouths for gas exchange and hair-like structures called trichomes.
Image of the Day: Leaf or Butterfly?
Image of the Day: Leaf or Butterfly?
Kate Yandell | Apr 16, 2013
This butterfly of the species Catopsilia pyranthe, found in parts of Southeast Asia and Australia, blends in with foliage.