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Posts tagged ultraviolet light

February 27, 2015


sunset in the Arctic

Arctic Sunlight Can Speed Up the Greenhouse Effect

Global warming has created a feedback loop, wherein Arctic sunlight converts thawing ice into more CO2.

September 16, 2014


a up-close shot of a rose-ring parakeet's head

Girls Love a Guy With Shine

Male parrots' fluorescent feathers set all the girls' hearts a flutter.

June 4, 2013


Increased UV exposure triggers melanin production, resulting in more freckles. - Photo: Paulina Spencer (Flickr)

Sunkissed: Why Do We Have More Freckles During The Summer?

Ever wonder why our freckles seem to multiply with the advent of warmer weather and longer days?

September 18, 2012


whale tail in water

Do Whales Get Sunburnt?

Researchers have been studying the effects of UV rays on whales in the Gulf of California for over three years...

June 21, 2012


colorful marker caps

A Magical Glow?

Want to stand out in the crowd? Find out what gives fluorescent colors their bright glow.

May 3, 2012


milk with two light reflectors used for taking professional photos

Ultraviolet Light May Be Used To Replace Pasteurization

Scientists believe they have a high-tech use for one of nature's natural anti-bacterial agents, ultraviolet light. They can use it to replace pasteurization.

February 24, 2012


supernova in spiral

Get Ready For A New Type Of Supernova!

Supernovas explode with a bright burst of radiation, giving off as much energy in a few days as our sun will give off in its entire lifetime.

December 1, 2011



Landing Strips For Bees

Flowers broadcast their hidden treasure with bright colors, sweet scents and beautiful markings. However, flowers' markings are more than cosmetic...

August 8, 2011


bird of prey about to strike

Fast Food Signs For Birds Of Prey

What if you're a bird of prey, looking down on miles of grassland or desert, trying to spot a meal that's only an inch or two long?

July 13, 2011


infared portrait

You’d Look Stunning In Infrared

What would it be like if our eyes evolved to see infrared light?

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