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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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Mom Makes Different Milk for Boys and Girls
19 February 2014 11:30 am
Your mom’s breast milk was made just for you. Scientists have found that the milk mothers produce can vary in content and quantity depending on the baby’s gender, ABC Science reports. For instance, more liquid is often produced for girls, whereas boys get a substance that’s richer in fat or protein. Researchers are still uncertain why this occurs, but they suggest that male monkeys—who also receive gender-specific milk—get a more energy-packed substance because they spend more time away from mom playing.
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