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17 April 2014 12:48 pm ,
Vol. 344 ,
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...
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,...
- 17 April 2014 12:48 pm , Vol. 344 , #6181
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Two New Butterfly Species Discovered
21 February 2014 11:30 am
In a rare discovery, researchers have come across two new butterfly species that appear quite similar but have incredibly different genes. After sequencing segments of the insects’ DNA and examining their genitalia, scientists found profound differences, including a variation in size and color of their external sex organs. A study published this month in ZooKeys details the two new species, Hermeuptychia intricata and Hermeuptychia hermybius, and supposes that they were long overlooked because of their resemblance to a butterfly identified two centuries ago—H. sosybius.
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