Image of the Day

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image: Image of the Day: Sigh Cells

Image of the Day: Sigh Cells

By | February 10, 2016

Two hundred fluorescently labeled neurons on either side of a mouse’s brainstem are responsible for the sighing reflex.

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image: Image of the Day: Fringe Fluorescence

Image of the Day: Fringe Fluorescence

By | February 9, 2016

Closely related species of hydroids can be distinguished by their patterns of fluorescence (scale bar 0.5 mm).

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image: Image of the Day: Pollen Power

Image of the Day: Pollen Power

By | February 8, 2016

Scientists are investigating the use of pollen grains, shown here in a colored electron micrograph, as carbon electrodes in lithium-ion batteries.

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image: Image of the Day: A Beetle’s Embrace

Image of the Day: A Beetle’s Embrace

By | February 5, 2016

Male diving beetles in the Dytiscus genus have suction cups on their legs to help them latch onto females during mating.

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image: Image of the Day: Tiny Tree-Dweller

Image of the Day: Tiny Tree-Dweller

By | February 4, 2016

The emerald-eyed tree frog (Kurixalus berylliniris), found in the broadleaf forests of Taiwan, is one of two new frog species described this week.

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image: Image of the Day: Spotty Skin

Image of the Day: Spotty Skin

By | February 3, 2016

Pigment-containing cells called chromatophores allow squid to change their skin color rapidly to blend into their environments and communicate.

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image: Image of the Day: Raking It In

Image of the Day: Raking It In

By | February 2, 2016

Barnacles use these appendages, imaged here using confocal microscopy, to sweep passing plankton into their shells.

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image: Image of the Day: Gone Fishing

Image of the Day: Gone Fishing

By | February 1, 2016

A Bryde's whale, having just gulped a mouthful of sardines, swims through a feeding frenzy off the coast of South Africa.

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image: Image of the Day: Taste Tubes

Image of the Day: Taste Tubes

By | January 29, 2016

The blowfly (Calliphora vomitoria) uses its mouthparts—known as pseudo trachea—to suck up liquefied food.

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image: Image of the Day: Lickety-Split

Image of the Day: Lickety-Split

By | January 28, 2016

The cells in this cross section of a poplar tree have been genetically modified to divide more quickly.

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