Birds: Soaring is better than flapping

Large birds, such as storks, save energy on the flight to their wintering grounds by soaring through the air on thermal currents. Until now, however, we knew nothing about the flight patterns of small migrating songbirds, ...

Home security is going high-tech to counter housing bust

While almost every other piece of the consumer electronics business has gotten wired and then wireless over the last 10 years, home security systems have remained stubbornly low-tech.

LEDs promise brighter future, not necessarily greener

Solid-state lighting pioneers long have held that replacing the inefficient Edison light bulb with more efficient solid-state light-emitting devices (LEDs) would lower electrical usage worldwide, not only "greenly" decreasing ...

Could an Aqua-Net Bring Water to the Desert?

(PhysOrg.com) -- Challenges of the future include energy use and continued population growth. And, while there are millions of square miles of land available in the world, not all of it is considered fit for human habitation. ...

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