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Image of the Day

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image: Image of the Day: Self-Assembling Spirals

Image of the Day: Self-Assembling Spirals

By | December 17, 2014

The bacterial proteins FtsA and FtsZ, which create a constricting ring during cell division, form spiral structures on a lipid monolayer in vitro, as shown in this electron micrograph (scale bar 50 nm).

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image: Image of the Day: Arboreal Bummer

Image of the Day: Arboreal Bummer

By | December 16, 2014

A study of tropical trees finds no evidence for climbing growth rates in response to rising carbon dioxide levels.

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image: Image of the Day: Cryptic Colonist

Image of the Day: Cryptic Colonist

By | December 15, 2014

A new analysis traces the evolutionary history of the trap-door spider Titanidiops canariensis on the Canary Islands off the northwest coast of Africa.

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image: Image of the Day: Deep-Sea Oddity

Image of the Day: Deep-Sea Oddity

By | December 12, 2014

In contrast to related species in which dwarf males dwell within larger females, males of a newly discovered species of deep-sea bone-eating worm, Osedax priapus, can extend their trunks to mate with nearby females (scale bar 0.5 mm).

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image: Image of the Day: Salient Sensors

Image of the Day: Salient Sensors

By | December 11, 2014

The first application of Snap-tagging to neurons in the skin of living mice reveals “baskets” of nerve endings (red) surrounding the base of each hair (thick blue line).

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image: Image of the Day: Furtive Fluke

Image of the Day: Furtive Fluke

By | December 10, 2014

The lancet fluke (Dicrocoelium lanceolatum) is a parasitic flatworm that colonizes snails, ants, and mammals at different stages of its life cycle.

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image: Image of the Day: Scarce Sengi

Image of the Day: Scarce Sengi

By | December 9, 2014

Habitat loss threatens populations of the black and rufous sengi (Rhynchocyon petersi, also known as an elephant shrew) in Kenya and Tanzania; zoo breeding programs aim to conserve the species.

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image: Image of the Day: Precise Particle

Image of the Day: Precise Particle

By | December 8, 2014

A model of a specially designed nanoparticle that targets a drug (purple) specifically to the liver or kidney and can be tracked using a fluorescent dye (blue)

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image: Image of the Day: Sticking Around

Image of the Day: Sticking Around

By | December 5, 2014

Hair-like structures on the toes of geckos allow the animals to adhere to surfaces even after death.

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image: Image of the Day: Hidden Hazard

Image of the Day: Hidden Hazard

By | December 4, 2014

In a healthy mouse kidney, cells that express the transcription factor Gli1 (red) can contribute to fibrosis, the dangerous growth of scar tissue.

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