Spitzer Unveils Biggest Milky Way View at Adler Planetarium

Space & Earth / Space Exploration

Dec 04, 2009 | 5 / 5 (2) | 3

(PhysOrg.com) -- The world's largest image of our Milky Way galaxy, taken by NASA's Spitzer Space Telescope, went on display this week at the Adler Planetarium in Chicago.

Fine-tuned: A wholly new approach to tuning a laser's frequency

Physics / Optics & Photonics

Dec 04, 2009 | 4.4 / 5 (9) | 2

(PhysOrg.com) -- For more than 30 years, scientists have been trying to harness the power of terahertz radiation. Tucked between microwaves and infrared rays on the electromagnetic spectrum, terahertz rays ...

Scientists discover aggression-promoting pheromone in flies (w/ Video)

Biology / Plants & Animals

Dec 06, 2009 | 4.1 / 5 (9) | 1

Have you ever found yourself struggling to get your order taken at a crowded bar or lunch counter, only to walk away in disgust as more aggressive customers elbow their way to the front? It turns out that ...