Image of the Day

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image: Image of the Day: Wordy Weasel

Image of the Day: Wordy Weasel

By | November 14, 2014

The highly social giant otter (Pteronura brasiliensis) of South America has a vocal repertoire of at least 22 distinct calls, a study shows.

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image: Image of the Day: Problem Protein

Image of the Day: Problem Protein

By | November 13, 2014

Aggregates of alpha-synuclein protein (pink) may contribute to nerve cell death in Parkinson's disease.

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image: Image of the Day: Small Package

Image of the Day: Small Package

By | November 12, 2014

A small-spotted catshark (Scyliorhinus canicula) embryo is fed by a yolk sac, encased in a collagen capsule, and attached to the seafloor by long tendrils.

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image: Image of the Day: Arresting Armor

Image of the Day: Arresting Armor

By | November 11, 2014

Pangolins (family Manidae) are insect-eating tropical mammals covered with protective keratin scales.

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image: Image of the Day: Fantastic Feeders

Image of the Day: Fantastic Feeders

By | November 10, 2014

Bdelloid rotifers are microscopic freshwater animals with diverse jaw forms, seen here in a scanning electron micrograph.

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image: Image of the Day: Botanical Transport

Image of the Day: Botanical Transport

By | November 7, 2014

A cross-section of a vascular bundle in the leaf of a dawn redwood (Metasequoia glyptostroboides)

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image: Image of the Day: Obvious Axons

Image of the Day: Obvious Axons

By | November 6, 2014

Early studies on nerve electrophysiology took advantage of millimeter-wide giant axons in the European squid (Loligo vulgaris).

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image: Image of the Day: Hand-Picked Harvest

Image of the Day: Hand-Picked Harvest

By | November 5, 2014

Screening for induced mutations in a flowering pathway uncovered tomato lines with higher fruit yields (right three plants) than standard canning tomatoes (far left).

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image: Image of the Day: Frozen Oats

Image of the Day: Frozen Oats

By | November 4, 2014

A three-dimensional reconstruction shows how ice crystals (orange) form in the underground crown of an oat plant.

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image: Image of the Day: Penguin Rover

Image of the Day: Penguin Rover

By | November 3, 2014

Brooding emperor penguins are less stressed by a camouflaged, transponder-reading rover than by human researchers.

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