Image of the Day

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image: Image of the Day: Sea Spawn

Image of the Day: Sea Spawn

By | February 16, 2016

A colony of Acropora millepora corals releases gametes into the sea during a mass spawning event at the Great Barrier Reef.

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image: Image of the Day: Bygone Battle

Image of the Day: Bygone Battle

By | February 15, 2016

Two fighting ants from different species have been trapped in this Burmese amber for 100 million years.

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image: Image of the Day: Red Squadron

Image of the Day: Red Squadron

By | February 12, 2016

A flock of scarlet ibis fly over the sand dunes of Ilha do Lençois, Brazil.

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image: Image of the Day: Microbial Maze

Image of the Day: Microbial Maze

By | February 11, 2016

Limestone stromatolites—rare microbial reefs—line the bed of Hamelin Pool in Shark Bay, Western Australia.

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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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