News
- Physics
Glints from Inner Space: Sensing Earth’s hidden radioactivity
Physicists have observed signatures of radioactivity deep within Earth, enabling measurement of planet-wide thorium and uranium quantities.
- Astronomy
Planet potential
Observations with the Submillimeter Array on Hawaii's Mauna Kea reveal that, despite their bombardment by a stellar bully, the disks in Orion have enough material to form planets.
- Physics
Why isn’t the sky violet, Daddy?
A new analysis of why the sky looks blue reveals that the reason may be the combined effects of the atmosphere and of our eyes' color-sensing apparatus.
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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.
