23/03/2010

Social bees have bigger brain area for learning, memory

Who's in charge? Who's got food? The brain region responsible for learning and memory is bigger in social bee queens who may have to address these questions than in solitary queens, report scientists at the Smithsonian Tropical ...

New dinosaur from Utah's red rocks

(PhysOrg.com) -- Utah's red rocks - world-famous attractions at numerous national parks, monuments and state parks - have yielded a rare skeleton of a new species of plant-eating dinosaur that lived 185 million years ago ...

Cell execs say more steps needed to meet demand

(AP) -- Cell phone company executives support a proposal by federal regulators to find more wireless spectrum for mobile broadband services, but say the industry needs to do more to help networks keep up with the demand ...

Increased population is leading to sick turtles

(PhysOrg.com) -- University of Queensland researchers have discovered that one of the effects of inceased human population is stress being placed on the environment leading to sick turtles.

The world's smallest microlaser

ETH-Zurich physicists (Switzerland) have developed a new kind of laser that shatters the boundaries of possibility: it is by far the smallest electrically pumped laser in the world and one day could revolutionize chip technology.

Global warming threatens plant diversity

In the coming decades, climate change is set to produce worldwide changes in the living conditions for plants, whereby major regional differences may be expected to occur.

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