Archive: 05/30/2012

Let the sun shine and the plants will follow

Leonardo da Vinci, the Italian Renaissance scientist and artist extraordinaire, in the 15th century was the first to record his observation that some plants appeared to follow the Sun, and he was not the last. ...

May 30, 2012
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Treating poultry diseases without antibiotics

Identifying antimicrobial proteins in chickens that kill pathogens is one method being used by U.S. Department of Agriculture (USDA) scientists to find alternatives to the use of antibiotics to control infectious ...

May 30, 2012
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Novel holographic antenna designs and uses

Holographic antennas first studied around 40 years ago are again a hot topic given the potential of holographic images for a variety of applications. EU researchers developed novel prototype devices based ...

May 30, 2012
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The last dance between Venus and the Sun

In 1761, Harvard’s Hollis Professor of Mathematics and Philosophy John Winthrop loaded a grandfather clock and a couple of students into a boat and embarked on Harvard’s first astronomical expedition.

May 30, 2012
5 / 5 (1) 0

Sex: it's a good thing, evolutionarily speaking

(Phys.org) -- Sure, sex may be fun, but it’s a lot of work, and the payoff is by no means certain. Scientists have speculated for a long time on why all living things don’t simply make like amoebas ...

May 30, 2012
4 / 5 (4) 6 | with audio podcast

Wireless 'tooth tattoo' detects harmful bacteria

Using silk strands pulled from cocoons and gold wires thinner than a spider's web, researchers at Princeton University have created a removable tattoo that adheres to dental enamel and could eventually monitor ...

May 30, 2012
3 / 5 (3) 0 | with audio podcast