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Bipolar kids harbor unique brain trait
Children and teenagers with bipolar disorder, a severe mental ailment that involves sharp mood swings, display unusually low tissue volume in a brain area involved in learning to regulate emotions.
- Physics
In search of the imperfect nanocrystal
Semiconductor nanocrystals can incorporate property-enhancing impurities into their growing structures as long as the crystals have facets onto which such atoms can strongly adhere.
- Earth
Weighty evidence on testicular cancer
New evidence supports a theory that men who were exposed to excess estrogenic hormones at an early stage of fetal development may face an elevated risk of testicular cancer.
- Astronomy
A new X-ray eye on the cosmos
To study some of the hottest regions in the universe, the Japanese Aerospace Exploration Agency has launched the coldest instrument ever flown.
