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17 April 2014 12:48 pm ,
Vol. 344 ,
Officials last week revealed that the U.S. contribution to ITER could cost $3.9 billion by 2034—roughly four times the...
An experimental hepatitis B drug that looked safe in animal trials tragically killed five of 15 patients in 1993. Now,...
Using the two high-quality genomes that exist for Neandertals and Denisovans, researchers find clues to gene activity...
A new report from the Intergovernmental Panel on Climate Change (IPCC) concludes that humanity has done little to slow...
Astronomers have discovered an Earth-sized planet in the habitable zone of a red dwarf—a star cooler than the sun—500...
Three years ago, Jennifer Francis of Rutgers University proposed that a warming Arctic was altering the behavior of the...
- 17 April 2014 12:48 pm , Vol. 344 , #6181
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10 Animals That Don't Need Halloween Costumes
30 October 2013 5:00 pm
Got a costume for Halloween? You’re not the only one. Some animals and insects wear their costumes all year round, masquerading as plants, leaves, and even other creatures to better evade predators—and to hunt their own prey. Some, like the leaf-litter toad, bark-mimicking grasshopper, and mossy leaf-tailed gecko, use cryptic coloration, coloring that conceals their shape, to blend into the background. The mimic octopus, cuttlefish, and chameleon use pigment sacs called chromatophores to rapidly change their skins according to their environment. Whatever you’re dressed as for Halloween, one thing is for sure: These creatures have you beat.