Archive: 07/21/2011

Chemists create molecular polyhedron

Chemists have created a molecular polyhedron, a ground-breaking assembly that has the potential to impact a range of industrial and consumer products, including magnetic and optical materials.

Jul 21, 2011
4.7 / 5 (7) 1 | with audio podcast

Diamonds pinpoint start of colliding continents

Jewelers abhor diamond impurities, but they are a bonanza for scientists. Safely encased in the super-hard diamond, impurities are unaltered, ancient minerals that can tell the story of Earth's distant past. ...

Jul 21, 2011
4.6 / 5 (5) 1 | with audio podcast

Butterfly study sheds light on convergent evolution

For 150 years scientists have been trying to explain convergent evolution. One of the best-known examples of this is how poisonous butterflies from different species evolve to mimic each other's color patterns – in effect ...

Jul 21, 2011
4.3 / 5 (3) 0 | with audio podcast

Researchers stumble on colorful discovery

Modified metals that change colour in the presence of particular gases could warn consumers if packaged food has been exposed to air or if there's a carbon monoxide leak at home. This finding could potentially ...

Jul 21, 2011
5 / 5 (1) 1 | with audio podcast

Exoplanet aurora: An out-of-this-world sight

Earth's aurorae, or Northern and Southern Lights, provide a dazzling light show to people living in the polar regions. Shimmering curtains of green and red undulate across the sky like a living thing. New ...

Jul 21, 2011
4.4 / 5 (5) 3 | with audio podcast