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Image of the Day

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image: Image of the Day: Amphibian Amendment

Image of the Day: Amphibian Amendment

By | October 30, 2014

A new analysis confirms the 1937 claim of a third leopard frog species, Rana kauffeldi, found along the US East Coast.

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image: Image of the Day: Ancient Itch

Image of the Day: Ancient Itch

By | October 29, 2014

Mitochondrial DNA from head lice on a 4,000-year-old Chilean mummy showed that two louse lineages plagued the Americas well before the arrival of Europeans.

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image: Image of the Day: Nightly Flight

Image of the Day: Nightly Flight

By | October 28, 2014

In Austin, Texas, thousands of Mexican free-tailed bats (Tadarida brasiliensis) emerge from their perches beneath the Congress Avenue Bridge for an evening of hunting insects.

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image: Image of the Day: Itsy Bitsy

Image of the Day: Itsy Bitsy

By | October 27, 2014

Newborn lynx spiderlings at 6x magnification

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image: Image of the Day: Fatal Attraction

Image of the Day: Fatal Attraction

By | October 24, 2014

Leaves of the carnivorous sundew Drosera rotundifolia secrete a sweet, slimy mucilage to entice insect prey.

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image: Image of the Day: Gigantic Jaws

Image of the Day: Gigantic Jaws

By | October 23, 2014

A 1909 reconstruction overestimated the jaw size of the largest known shark, Carcharocles megalodon. A new study places the date of its extinction around 2.6 million years ago.

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image: Image of the Day: Novice Swimmers

Image of the Day: Novice Swimmers

By | October 22, 2014

Acoustic nano-tags on loggerhead turtle hatchlings have enabled researchers to closely track the animals' dispersal on their first day at sea.

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image: Image of the Day: Fuzzy Fungi

Image of the Day: Fuzzy Fungi

By | October 21, 2014

A sampling of ascomycete fungi grown on agar plates

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image: Image of the Day: Autumn Array

Image of the Day: Autumn Array

By | October 17, 2014

Fall colors on display at Glacier National Park in Montana

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image: Image of the Day: Fantastic Flyers

Image of the Day: Fantastic Flyers

By | October 17, 2014

To survive as desert waterbirds, banded stilts (Cladorhynchus leucocephalus) in Australia may fly more than 1,000 kilometers to breed at temporary inland salt lakes.

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