Image of the Day

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image: Image of the Day: No Free Lunch

Image of the Day: No Free Lunch

By | May 30, 2016

This hawk moth (Manduca sexta) expends plenty of energy hovering in front of a flower.

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image: Image of the Day: Residence at Risk

Image of the Day: Residence at Risk

By | May 27, 2016

Rising sea temperatures have led to an increase in coral bleaching, posing a threat to clownfish, which rely on sea anemones for shelter.

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image: Image of the Day: Model Brain

Image of the Day: Model Brain

By | May 26, 2016

The brain of a Drosophila fruit fly, imaged here using confocal microscopy, may provide a model for understanding the genetics of human brain injuries.

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image: Image of the Day: Nature vs. Nutrition

Image of the Day: Nature vs. Nutrition

By | May 25, 2016

Despite their similar genomes, these Onthophagus beetles have different phenotypes—such as horn or no horn—based on the diets they ate as larvae.

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image: Image of the Day: Petal Pigment

Image of the Day: Petal Pigment

By | May 24, 2016

Colorful pigments are localized inside this petal from a runner bean (Phaseolus coccineus).

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image: Image of the Day: Signal Sensors

Image of the Day: Signal Sensors

By | May 23, 2016

Many human cells have cilia, spindly protuberances organizing intercellular signaling, that become damaged in a range of diseases known as ciliopathies.

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image: Image of the Day: Flaunting It

Image of the Day: Flaunting It

By | May 20, 2016

A male houbara bustard (Chlamydotis undulata) shows off his plumage for female conspecifics in the Canary Islands.

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image: Image of the Day: Don't Eat Me

Image of the Day: Don't Eat Me

By | May 19, 2016

In addition to warning coloration, this tiger moth (Cisthene martini) uses acoustic signals to deter predators.

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image: Image of the Day: Tracking Translation

Image of the Day: Tracking Translation

By | May 18, 2016

RNA molecules (red) are translated to make proteins (blue and green) against the backdrop of the cell nucleus, where the mature proteins gather after synthesis.

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image: Image of the Day: Degrading Deepwater

Image of the Day: Degrading Deepwater

By | May 17, 2016

Marine bacteria helped break down the hydrocarbons in this slick caused by the Deepwater Horizon oil spill in the Gulf of Mexico in 2010.

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