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What Are Nile Crocodiles Doing in Florida?
May 30, 2016 01:03 PM - By: Laura Goldman, Care2

At up to 20 feet long and weighing a ton and a half, with the strongest bite in the animal kingdom, Nile crocodiles can pretty much devour anything they want to — including humans.

As you can guess from their name, these carnivorous crocs are native to sub-Saharan Africa, where they subsist on small hippos, zebras and other animals they catch and, in some cases, swallow whole.

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How did the giraffe get its long neck?
May 27, 2016 06:09 AM - Penn State University

For the first time, the genomes of the giraffe and its closest living relative, the reclusive okapi of the African rainforest, have been sequenced — revealing the first clues about the genetic changes that led to the evolution of the giraffe’s exceptionally long neck and its record-holding ranking as the world’s tallest land species. The research will be published in the scientific journal Nature Communications on May 17, 2016.

“The giraffe’s stature, dominated by its long neck and legs and an overall height that can reach 19 feet (~ 6 m), is an extraordinary feat of evolution that has inspired awe and wonder for at least 8,000 years — as far back as the famous rock carvings at Dabous in the Republic of Niger,” said Douglas Cavener of Penn State, who led the research team with Morris Agaba of the Nelson Mandela African Institute for Science and Technology in Tanzania.

How did the giraffe get its long neck? Clues now are revealed by new genome sequencing. 

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SPOTLIGHT

Bright Lighting Encourages Healthy Food Choices

Food and Brand Lab, Cornell University.

Dining in dimly lit restaurants has been linked to eating slowly and ultimately eating less than in brighter restaurants, but does lighting also impact how healthfully we order?

New research findings forthcoming in the Journal of Marketing Research illustrate that those dining in well-lit rooms are about 16-24% more likely to order healthy foods than those in dimly lit rooms. Furthermore, the researchers found evidence that this effect is due mainly to the level of diners’ alertness. “We feel more alert in brighter rooms and therefore tend to make more healthful, forward-thinking decisions,” explains lead author Dipayan Biswas, PhD, University of South Florida.

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