27/07/2009

Orangutans unique in movement through tree tops

Movement through a complex meshwork of small branches at the heights of tropical forests presents a unique challenge to animals wanting to forage for food safely. It can be particularly dangerous for large animals where ...

Warmer environment means shorter lives for cold-blooded animals

Temperature explains much of why cold-blooded organisms such as fish, amphibians, crustaceans, and lizards live longer at higher latitudes than at lower latitudes, according to research published this week in the Proceedings ...

All-in-one nanoparticle: A Swiss Army knife for nanomedicine

Nanoparticles are being developed to perform a wide range of medical uses - imaging tumors, carrying drugs, delivering pulses of heat. Rather than settling for just one of these, researchers at the University of Washington ...

Study finds patent systems may discourage innovation

(PhysOrg.com) -- A new study challenges the traditional view that patents foster innovation, suggesting instead that they may hinder technological progress, economic activity and societal wealth. These results could have ...

Researchers soak up stem cell potential

(PhysOrg.com) -- Despite its seemingly simple appearance, the humble sea sponge could have the ability to advance stem cell research, according to scientists working at UQ's Heron Island Research Station and the St Lucia ...

When did humans return after last Ice Age?

(PhysOrg.com) -- The Cheddar Gorge in Somerset was one of the first sites to be inhabited by humans when they returned to Britain near the end of the last Ice Age. According to new radio carbon dating by Oxford University ...

Free Spirit: Longer Rover Tests Beginning

(PhysOrg.com) -- Mars rover team members have begun a new phase of testing at JPL -- using longer-duration experiments -- in their preparations for driving Spirit again on Mars.

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