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Image of the Day

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image: Image of the Day: Pocket Shark

Image of the Day: Pocket Shark

By | April 27, 2015

Researchers sampling deep ocean waters off the Louisiana coast in 2010 found this five-and-a-half-inch-long pocket shark (Mollisquama sp.), which is named for a hole behind its pectoral fin and represents only the second known specimen of its genus.

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image: Image of the Day: Seeing Taste

Image of the Day: Seeing Taste

By | April 24, 2015

Using two-photon excitation microscopy, researchers have captured the first real-time images of an actively tasting mouse tongue, discovering that each taste bud (blue) contains cells that recognize different flavors.

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image: Image of the Day: Stegosaurus Sex Differences

Image of the Day: Stegosaurus Sex Differences

By | April 23, 2015

Female Stegosaurus mjosi had taller dermal plates while males had wider ones, according to a recent study.

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image: Image of the Day: Merging Blood Vessels

Image of the Day: Merging Blood Vessels

By | April 22, 2015

When blood vessels that are no longer needed are pruned, the cells making up the vessels fuse to prevent leakage, a process observed for the first time in vertebrates in zebrafish (pictured).

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image: Image of the Day: Dwindling Wolves

Image of the Day: Dwindling Wolves

By | April 21, 2015

In the 57th year of the world's longest-running predator-prey study, researchers found 1,250 moose and only three resident wolves—down from 24 in 2009—in Isle Royale National Park in Michigan.

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image: Image of the Day: Prolific Poplar

Image of the Day: Prolific Poplar

By | April 20, 2015

Researchers recently modified the cells of a poplar tree to divide more quickly.

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image: Image of the Day: Cracking Cavity

Image of the Day: Cracking Cavity

By | April 17, 2015

An MRI video of cracking knuckles reveals that the popping sound comes from the formation of a small air bubble (the dark cavity on the upper right image) in the synovial fluid of the joint.

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image: Image of the Day: Nitrogen Nodules

Image of the Day: Nitrogen Nodules

By | April 16, 2015

Rhizobium bacteria live in nodules on the roots of legumes like the hairy vetch (Vicia villosa) and convert atmospheric nitrogen into a form the plant can use to make essential molecules.

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image: Image of the Day: Out of the Woodwork

Image of the Day: Out of the Woodwork

By | April 15, 2015

Three new species of woodlizard, including Enyalioides sophiarothschildae (pictured), were recently discovered in the Andes.

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image: Image of the Day: Mosasaur Mom

Image of the Day: Mosasaur Mom

By | April 14, 2015

Recent analysis of baby mosasaur fossils long thought to be those of birds suggests that the extinct marine predators gave birth in the open ocean and not near the shore.

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