Is there a downside to happiness?
2. WP - Dulles Int'l Airport (the white elephant) at 50.
3. WSJ - The science of gifting.
4. HuffPost - 23 Celebrities with twins.
5. The Atlantic - World's earliest dinosaur?
6. Arstechnica - Youngest observed protostar.
7. NatGeo - High-voltage DC breakthrough to boost renewable energy.
8. NYT - Russians fascinated by minutiae of American life.
9. NYT - 2000-year-old wonder drug.
10. NYT - Piano on sidewalk sparks wonder & extemporaneous performances.