Image of the Day

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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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image: Image of the Day: Vibrant Vegetables

Image of the Day: Vibrant Vegetables

By | May 16, 2016

Carrots vary in color due to differences in pigment compounds called carotenoids, ranging from yellow (lutein) and orange (carotenes), to red (lycopene), and purple (anthocyanin).

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image: Image of the Day: Flight Lessons

Image of the Day: Flight Lessons

By | May 13, 2016

Wind tunnels filled with thin smoke reveal a bat's flying technique as it approaches a stick bearing a mealworm.

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image: Image of the Day: Pollen Pouches

Image of the Day: Pollen Pouches

By | May 12, 2016

Anthers of model species Arabidopsis thaliana burst with pollen grains in this confocal microscopy image.

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